Home / 747,761.04-1,031,871.43-425,464.56

Finding the Fourth Proportional to 747,761.04, 1,031,871.43 and 425,464.56

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Solution

The fourth proportional to 747,761.04, 1,031,871.43 and 425,464.56 is: 587,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,761.04 : 1,031,871.43 = 425,464.56 : x
  2. Step 2: Convert to fraction form
    747,761.04/1,031,871.43 = 425,464.56/x
  3. Step 3: Cross multiply
    747,761.04x = 1,031,871.43 × 425,464.56
  4. Step 4: Simplify right side
    747,761.04x = 439,024,721,814.20
  5. Step 5: Solve for x
    x = 439,024,721,814.20/747,761.04
  6. Step 6: Final answer
    x = 587,119.01

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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.