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Finding the Fourth Proportional to 539,019.90, 808,529.85 and 495,474.30

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Solution

The fourth proportional to 539,019.90, 808,529.85 and 495,474.30 is: 743,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,019.90 : 808,529.85 = 495,474.30 : x
  2. Step 2: Convert to fraction form
    539,019.90/808,529.85 = 495,474.30/x
  3. Step 3: Cross multiply
    539,019.90x = 808,529.85 × 495,474.30
  4. Step 4: Simplify right side
    539,019.90x = 400,605,761,457.86
  5. Step 5: Solve for x
    x = 400,605,761,457.86/539,019.90
  6. Step 6: Final answer
    x = 743,211.45

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Similar ratio
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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.