Home / 731,542.40-1,097,313.60-450,147.20

Finding the Fourth Proportional to 731,542.40, 1,097,313.60 and 450,147.20

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Solution

The fourth proportional to 731,542.40, 1,097,313.60 and 450,147.20 is: 675,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,542.40 : 1,097,313.60 = 450,147.20 : x
  2. Step 2: Convert to fraction form
    731,542.40/1,097,313.60 = 450,147.20/x
  3. Step 3: Cross multiply
    731,542.40x = 1,097,313.60 × 450,147.20
  4. Step 4: Simplify right side
    731,542.40x = 493,952,644,561.92
  5. Step 5: Solve for x
    x = 493,952,644,561.92/731,542.40
  6. Step 6: Final answer
    x = 675,220.80

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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.