Home / 1,004,220.80-1,506,331.20-339,363.20

Finding the Fourth Proportional to 1,004,220.80, 1,506,331.20 and 339,363.20

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Solution

The fourth proportional to 1,004,220.80, 1,506,331.20 and 339,363.20 is: 509,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,220.80 : 1,506,331.20 = 339,363.20 : x
  2. Step 2: Convert to fraction form
    1,004,220.80/1,506,331.20 = 339,363.20/x
  3. Step 3: Cross multiply
    1,004,220.80x = 1,506,331.20 × 339,363.20
  4. Step 4: Simplify right side
    1,004,220.80x = 511,193,376,291.84
  5. Step 5: Solve for x
    x = 511,193,376,291.84/1,004,220.80
  6. Step 6: Final answer
    x = 509,044.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.