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Finding the Fourth Proportional to 539,062.95, 743,912.06 and 297,355.71

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Solution

The fourth proportional to 539,062.95, 743,912.06 and 297,355.71 is: 410,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,062.95 : 743,912.06 = 297,355.71 : x
  2. Step 2: Convert to fraction form
    539,062.95/743,912.06 = 297,355.71/x
  3. Step 3: Cross multiply
    539,062.95x = 743,912.06 × 297,355.71
  4. Step 4: Simplify right side
    539,062.95x = 221,206,497,292.08
  5. Step 5: Solve for x
    x = 221,206,497,292.08/539,062.95
  6. Step 6: Final answer
    x = 410,353.74

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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.