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Finding the Fourth Proportional to 539,102.16, 743,951.76 and 297,407.88

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Solution

The fourth proportional to 539,102.16, 743,951.76 and 297,407.88 is: 410,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,102.16 : 743,951.76 = 297,407.88 : x
  2. Step 2: Convert to fraction form
    539,102.16/743,951.76 = 297,407.88/x
  3. Step 3: Cross multiply
    539,102.16x = 743,951.76 × 297,407.88
  4. Step 4: Simplify right side
    539,102.16x = 221,257,115,763.87
  5. Step 5: Solve for x
    x = 221,257,115,763.87/539,102.16
  6. Step 6: Final answer
    x = 410,417.79

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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.