Home / 791,690.70-1,092,506.59-469,209.35

Finding the Fourth Proportional to 791,690.70, 1,092,506.59 and 469,209.35

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Solution

The fourth proportional to 791,690.70, 1,092,506.59 and 469,209.35 is: 647,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,690.70 : 1,092,506.59 = 469,209.35 : x
  2. Step 2: Convert to fraction form
    791,690.70/1,092,506.59 = 469,209.35/x
  3. Step 3: Cross multiply
    791,690.70x = 1,092,506.59 × 469,209.35
  4. Step 4: Simplify right side
    791,690.70x = 512,614,306,964.62
  5. Step 5: Solve for x
    x = 512,614,306,964.62/791,690.70
  6. Step 6: Final answer
    x = 647,493.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.