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Finding the Fourth Proportional to 587,135.70, 880,703.55 and 487,494.90

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Solution

The fourth proportional to 587,135.70, 880,703.55 and 487,494.90 is: 731,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,135.70 : 880,703.55 = 487,494.90 : x
  2. Step 2: Convert to fraction form
    587,135.70/880,703.55 = 487,494.90/x
  3. Step 3: Cross multiply
    587,135.70x = 880,703.55 × 487,494.90
  4. Step 4: Simplify right side
    587,135.70x = 429,338,489,036.90
  5. Step 5: Solve for x
    x = 429,338,489,036.90/587,135.70
  6. Step 6: Final answer
    x = 731,242.35

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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.