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Finding the Fourth Proportional to 534,154.40, 801,231.60 and 490,608.80

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Solution

The fourth proportional to 534,154.40, 801,231.60 and 490,608.80 is: 735,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,154.40 : 801,231.60 = 490,608.80 : x
  2. Step 2: Convert to fraction form
    534,154.40/801,231.60 = 490,608.80/x
  3. Step 3: Cross multiply
    534,154.40x = 801,231.60 × 490,608.80
  4. Step 4: Simplify right side
    534,154.40x = 393,091,273,798.08
  5. Step 5: Solve for x
    x = 393,091,273,798.08/534,154.40
  6. Step 6: Final answer
    x = 735,913.20

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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.