Home / 729,925.20-1,094,142.60-493,291.80

Finding the Fourth Proportional to 729,925.20, 1,094,142.60 and 493,291.80

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Solution

The fourth proportional to 729,925.20, 1,094,142.60 and 493,291.80 is: 739,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,925.20 : 1,094,142.60 = 493,291.80 : x
  2. Step 2: Convert to fraction form
    729,925.20/1,094,142.60 = 493,291.80/x
  3. Step 3: Cross multiply
    729,925.20x = 1,094,142.60 × 493,291.80
  4. Step 4: Simplify right side
    729,925.20x = 539,731,572,610.68
  5. Step 5: Solve for x
    x = 539,731,572,610.68/729,925.20
  6. Step 6: Final answer
    x = 739,434.09

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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.