Home / 530,147.20-731,483.04-386,985.28

Finding the Fourth Proportional to 530,147.20, 731,483.04 and 386,985.28

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Solution

The fourth proportional to 530,147.20, 731,483.04 and 386,985.28 is: 533,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,147.20 : 731,483.04 = 386,985.28 : x
  2. Step 2: Convert to fraction form
    530,147.20/731,483.04 = 386,985.28/x
  3. Step 3: Cross multiply
    530,147.20x = 731,483.04 × 386,985.28
  4. Step 4: Simplify right side
    530,147.20x = 283,073,169,049.65
  5. Step 5: Solve for x
    x = 283,073,169,049.65/530,147.20
  6. Step 6: Final answer
    x = 533,952.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.