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Finding the Fourth Proportional to 542,835.80, 814,253.70 and 462,354.20

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Solution

The fourth proportional to 542,835.80, 814,253.70 and 462,354.20 is: 693,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,835.80 : 814,253.70 = 462,354.20 : x
  2. Step 2: Convert to fraction form
    542,835.80/814,253.70 = 462,354.20/x
  3. Step 3: Cross multiply
    542,835.80x = 814,253.70 × 462,354.20
  4. Step 4: Simplify right side
    542,835.80x = 376,473,618,060.54
  5. Step 5: Solve for x
    x = 376,473,618,060.54/542,835.80
  6. Step 6: Final answer
    x = 693,531.30

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Double scale
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Similar ratio
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1.5x scale

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.