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Finding the Fourth Proportional to 539,748.52, 808,539.90 and 495,655.72

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Solution

The fourth proportional to 539,748.52, 808,539.90 and 495,655.72 is: 742,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,748.52 : 808,539.90 = 495,655.72 : x
  2. Step 2: Convert to fraction form
    539,748.52/808,539.90 = 495,655.72/x
  3. Step 3: Cross multiply
    539,748.52x = 808,539.90 × 495,655.72
  4. Step 4: Simplify right side
    539,748.52x = 400,757,426,283.23
  5. Step 5: Solve for x
    x = 400,757,426,283.23/539,748.52
  6. Step 6: Final answer
    x = 742,489.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.