Home / 708,863.40-1,063,295.10-442,924.20

Finding the Fourth Proportional to 708,863.40, 1,063,295.10 and 442,924.20

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Solution

The fourth proportional to 708,863.40, 1,063,295.10 and 442,924.20 is: 664,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,863.40 : 1,063,295.10 = 442,924.20 : x
  2. Step 2: Convert to fraction form
    708,863.40/1,063,295.10 = 442,924.20/x
  3. Step 3: Cross multiply
    708,863.40x = 1,063,295.10 × 442,924.20
  4. Step 4: Simplify right side
    708,863.40x = 470,959,131,531.42
  5. Step 5: Solve for x
    x = 470,959,131,531.42/708,863.40
  6. Step 6: Final answer
    x = 664,386.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.