Home / 580,890.13-870,073.40-280,741.24

Finding the Fourth Proportional to 580,890.13, 870,073.40 and 280,741.24

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Solution

The fourth proportional to 580,890.13, 870,073.40 and 280,741.24 is: 420,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,890.13 : 870,073.40 = 280,741.24 : x
  2. Step 2: Convert to fraction form
    580,890.13/870,073.40 = 280,741.24/x
  3. Step 3: Cross multiply
    580,890.13x = 870,073.40 × 280,741.24
  4. Step 4: Simplify right side
    580,890.13x = 244,265,485,417.29
  5. Step 5: Solve for x
    x = 244,265,485,417.29/580,890.13
  6. Step 6: Final answer
    x = 420,502.04

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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.