Home / 808,043.60-1,213,377.60-542,979.20

Finding the Fourth Proportional to 808,043.60, 1,213,377.60 and 542,979.20

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Solution

The fourth proportional to 808,043.60, 1,213,377.60 and 542,979.20 is: 815,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,043.60 : 1,213,377.60 = 542,979.20 : x
  2. Step 2: Convert to fraction form
    808,043.60/1,213,377.60 = 542,979.20/x
  3. Step 3: Cross multiply
    808,043.60x = 1,213,377.60 × 542,979.20
  4. Step 4: Simplify right side
    808,043.60x = 658,838,798,545.92
  5. Step 5: Solve for x
    x = 658,838,798,545.92/808,043.60
  6. Step 6: Final answer
    x = 815,350.56

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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.