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Finding the Fourth Proportional to 672,366.17, 928,773.97 and 537,346.46

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Solution

The fourth proportional to 672,366.17, 928,773.97 and 537,346.46 is: 742,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,366.17 : 928,773.97 = 537,346.46 : x
  2. Step 2: Convert to fraction form
    672,366.17/928,773.97 = 537,346.46/x
  3. Step 3: Cross multiply
    672,366.17x = 928,773.97 × 537,346.46
  4. Step 4: Simplify right side
    672,366.17x = 499,073,402,185.15
  5. Step 5: Solve for x
    x = 499,073,402,185.15/672,366.17
  6. Step 6: Final answer
    x = 742,264.30

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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.