Home / 715,757.37-1,073,649.91-572,939.79

Finding the Fourth Proportional to 715,757.37, 1,073,649.91 and 572,939.79

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Solution

The fourth proportional to 715,757.37, 1,073,649.91 and 572,939.79 is: 859,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,757.37 : 1,073,649.91 = 572,939.79 : x
  2. Step 2: Convert to fraction form
    715,757.37/1,073,649.91 = 572,939.79/x
  3. Step 3: Cross multiply
    715,757.37x = 1,073,649.91 × 572,939.79
  4. Step 4: Simplify right side
    715,757.37x = 615,136,753,968.92
  5. Step 5: Solve for x
    x = 615,136,753,968.92/715,757.37
  6. Step 6: Final answer
    x = 859,420.78

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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.