Home / 844,815.35-1,267,221.93-339,376.29

Finding the Fourth Proportional to 844,815.35, 1,267,221.93 and 339,376.29

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Solution

The fourth proportional to 844,815.35, 1,267,221.93 and 339,376.29 is: 509,064.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,815.35 : 1,267,221.93 = 339,376.29 : x
  2. Step 2: Convert to fraction form
    844,815.35/1,267,221.93 = 339,376.29/x
  3. Step 3: Cross multiply
    844,815.35x = 1,267,221.93 × 339,376.29
  4. Step 4: Simplify right side
    844,815.35x = 430,065,077,210.04
  5. Step 5: Solve for x
    x = 430,065,077,210.04/844,815.35
  6. Step 6: Final answer
    x = 509,064.00

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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.