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Finding the Fourth Proportional to 551,085.60, 826,628.40 and 495,098.40

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Solution

The fourth proportional to 551,085.60, 826,628.40 and 495,098.40 is: 742,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,085.60 : 826,628.40 = 495,098.40 : x
  2. Step 2: Convert to fraction form
    551,085.60/826,628.40 = 495,098.40/x
  3. Step 3: Cross multiply
    551,085.60x = 826,628.40 × 495,098.40
  4. Step 4: Simplify right side
    551,085.60x = 409,262,398,234.56
  5. Step 5: Solve for x
    x = 409,262,398,234.56/551,085.60
  6. Step 6: Final answer
    x = 742,647.60

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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.