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Finding the Fourth Proportional to 514,354.02, 711,162.39 and 450,508.20

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Solution

The fourth proportional to 514,354.02, 711,162.39 and 450,508.20 is: 622,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,354.02 : 711,162.39 = 450,508.20 : x
  2. Step 2: Convert to fraction form
    514,354.02/711,162.39 = 450,508.20/x
  3. Step 3: Cross multiply
    514,354.02x = 711,162.39 × 450,508.20
  4. Step 4: Simplify right side
    514,354.02x = 320,384,488,226.60
  5. Step 5: Solve for x
    x = 320,384,488,226.60/514,354.02
  6. Step 6: Final answer
    x = 622,887.11

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Why These Related Problems?

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