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Finding the Fourth Proportional to 547,793.70, 821,690.55 and 498,804.90

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Solution

The fourth proportional to 547,793.70, 821,690.55 and 498,804.90 is: 748,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,793.70 : 821,690.55 = 498,804.90 : x
  2. Step 2: Convert to fraction form
    547,793.70/821,690.55 = 498,804.90/x
  3. Step 3: Cross multiply
    547,793.70x = 821,690.55 × 498,804.90
  4. Step 4: Simplify right side
    547,793.70x = 409,863,272,623.70
  5. Step 5: Solve for x
    x = 409,863,272,623.70/547,793.70
  6. Step 6: Final answer
    x = 748,207.35

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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.