Home / 589,720.80-884,581.20-579,879.30

Finding the Fourth Proportional to 589,720.80, 884,581.20 and 579,879.30

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Solution

The fourth proportional to 589,720.80, 884,581.20 and 579,879.30 is: 869,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,720.80 : 884,581.20 = 579,879.30 : x
  2. Step 2: Convert to fraction form
    589,720.80/884,581.20 = 579,879.30/x
  3. Step 3: Cross multiply
    589,720.80x = 884,581.20 × 579,879.30
  4. Step 4: Simplify right side
    589,720.80x = 512,950,327,049.16
  5. Step 5: Solve for x
    x = 512,950,327,049.16/589,720.80
  6. Step 6: Final answer
    x = 869,818.95

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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.