Home / 732,645.20-1,098,967.80-520,068.80

Finding the Fourth Proportional to 732,645.20, 1,098,967.80 and 520,068.80

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Solution

The fourth proportional to 732,645.20, 1,098,967.80 and 520,068.80 is: 780,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,645.20 : 1,098,967.80 = 520,068.80 : x
  2. Step 2: Convert to fraction form
    732,645.20/1,098,967.80 = 520,068.80/x
  3. Step 3: Cross multiply
    732,645.20x = 1,098,967.80 × 520,068.80
  4. Step 4: Simplify right side
    732,645.20x = 571,538,864,984.64
  5. Step 5: Solve for x
    x = 571,538,864,984.64/732,645.20
  6. Step 6: Final answer
    x = 780,103.20

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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.