Home / 747,336.40-1,121,004.60-368,329.30

Finding the Fourth Proportional to 747,336.40, 1,121,004.60 and 368,329.30

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Solution

The fourth proportional to 747,336.40, 1,121,004.60 and 368,329.30 is: 552,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,336.40 : 1,121,004.60 = 368,329.30 : x
  2. Step 2: Convert to fraction form
    747,336.40/1,121,004.60 = 368,329.30/x
  3. Step 3: Cross multiply
    747,336.40x = 1,121,004.60 × 368,329.30
  4. Step 4: Simplify right side
    747,336.40x = 412,898,839,614.78
  5. Step 5: Solve for x
    x = 412,898,839,614.78/747,336.40
  6. Step 6: Final answer
    x = 552,493.95

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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.