Home / 908,816.18-1,363,220.10-234,840.20

Finding the Fourth Proportional to 908,816.18, 1,363,220.10 and 234,840.20

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Solution

The fourth proportional to 908,816.18, 1,363,220.10 and 234,840.20 is: 352,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,816.18 : 1,363,220.10 = 234,840.20 : x
  2. Step 2: Convert to fraction form
    908,816.18/1,363,220.10 = 234,840.20/x
  3. Step 3: Cross multiply
    908,816.18x = 1,363,220.10 × 234,840.20
  4. Step 4: Simplify right side
    908,816.18x = 320,138,874,111.92
  5. Step 5: Solve for x
    x = 320,138,874,111.92/908,816.18
  6. Step 6: Final answer
    x = 352,259.22

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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.