Home / 827,767.20-1,142,301.24-488,344.80

Finding the Fourth Proportional to 827,767.20, 1,142,301.24 and 488,344.80

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Solution

The fourth proportional to 827,767.20, 1,142,301.24 and 488,344.80 is: 673,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,767.20 : 1,142,301.24 = 488,344.80 : x
  2. Step 2: Convert to fraction form
    827,767.20/1,142,301.24 = 488,344.80/x
  3. Step 3: Cross multiply
    827,767.20x = 1,142,301.24 × 488,344.80
  4. Step 4: Simplify right side
    827,767.20x = 557,836,870,587.55
  5. Step 5: Solve for x
    x = 557,836,870,587.55/827,767.20
  6. Step 6: Final answer
    x = 673,905.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.