Home / 872,989.28-1,309,480.32-241,901.28

Finding the Fourth Proportional to 872,989.28, 1,309,480.32 and 241,901.28

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Solution

The fourth proportional to 872,989.28, 1,309,480.32 and 241,901.28 is: 362,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,989.28 : 1,309,480.32 = 241,901.28 : x
  2. Step 2: Convert to fraction form
    872,989.28/1,309,480.32 = 241,901.28/x
  3. Step 3: Cross multiply
    872,989.28x = 1,309,480.32 × 241,901.28
  4. Step 4: Simplify right side
    872,989.28x = 316,764,965,542.81
  5. Step 5: Solve for x
    x = 316,764,965,542.81/872,989.28
  6. Step 6: Final answer
    x = 362,850.92

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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.