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Finding the Fourth Proportional to 539,585.24, 744,717.68 and 515,669.72

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Solution

The fourth proportional to 539,585.24, 744,717.68 and 515,669.72 is: 711,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,585.24 : 744,717.68 = 515,669.72 : x
  2. Step 2: Convert to fraction form
    539,585.24/744,717.68 = 515,669.72/x
  3. Step 3: Cross multiply
    539,585.24x = 744,717.68 × 515,669.72
  4. Step 4: Simplify right side
    539,585.24x = 384,028,351,222.71
  5. Step 5: Solve for x
    x = 384,028,351,222.71/539,585.24
  6. Step 6: Final answer
    x = 711,710.27

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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.