Home / 872,639.92-1,308,961.68-241,555.60

Finding the Fourth Proportional to 872,639.92, 1,308,961.68 and 241,555.60

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Solution

The fourth proportional to 872,639.92, 1,308,961.68 and 241,555.60 is: 362,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,639.92 : 1,308,961.68 = 241,555.60 : x
  2. Step 2: Convert to fraction form
    872,639.92/1,308,961.68 = 241,555.60/x
  3. Step 3: Cross multiply
    872,639.92x = 1,308,961.68 × 241,555.60
  4. Step 4: Simplify right side
    872,639.92x = 316,187,023,989.41
  5. Step 5: Solve for x
    x = 316,187,023,989.41/872,639.92
  6. Step 6: Final answer
    x = 362,333.90

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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.