Home / 712,849.10-1,069,471.83-579,398.90

Finding the Fourth Proportional to 712,849.10, 1,069,471.83 and 579,398.90

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Solution

The fourth proportional to 712,849.10, 1,069,471.83 and 579,398.90 is: 869,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,849.10 : 1,069,471.83 = 579,398.90 : x
  2. Step 2: Convert to fraction form
    712,849.10/1,069,471.83 = 579,398.90/x
  3. Step 3: Cross multiply
    712,849.10x = 1,069,471.83 × 579,398.90
  4. Step 4: Simplify right side
    712,849.10x = 619,650,801,882.99
  5. Step 5: Solve for x
    x = 619,650,801,882.99/712,849.10
  6. Step 6: Final answer
    x = 869,259.43

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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.