Home / 832,328.48-1,247,966.32-458,613.92

Finding the Fourth Proportional to 832,328.48, 1,247,966.32 and 458,613.92

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Solution

The fourth proportional to 832,328.48, 1,247,966.32 and 458,613.92 is: 687,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,328.48 : 1,247,966.32 = 458,613.92 : x
  2. Step 2: Convert to fraction form
    832,328.48/1,247,966.32 = 458,613.92/x
  3. Step 3: Cross multiply
    832,328.48x = 1,247,966.32 × 458,613.92
  4. Step 4: Simplify right side
    832,328.48x = 572,334,726,043.18
  5. Step 5: Solve for x
    x = 572,334,726,043.18/832,328.48
  6. Step 6: Final answer
    x = 687,630.83

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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.