Home / 870,498.29-1,305,151.63-443,207.24

Finding the Fourth Proportional to 870,498.29, 1,305,151.63 and 443,207.24

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Solution

The fourth proportional to 870,498.29, 1,305,151.63 and 443,207.24 is: 664,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,498.29 : 1,305,151.63 = 443,207.24 : x
  2. Step 2: Convert to fraction form
    870,498.29/1,305,151.63 = 443,207.24/x
  3. Step 3: Cross multiply
    870,498.29x = 1,305,151.63 × 443,207.24
  4. Step 4: Simplify right side
    870,498.29x = 578,452,658,808.86
  5. Step 5: Solve for x
    x = 578,452,658,808.86/870,498.29
  6. Step 6: Final answer
    x = 664,507.52

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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.