Home / 748,406.60-1,123,451.21-299,444.21

Finding the Fourth Proportional to 748,406.60, 1,123,451.21 and 299,444.21

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Solution

The fourth proportional to 748,406.60, 1,123,451.21 and 299,444.21 is: 449,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,406.60 : 1,123,451.21 = 299,444.21 : x
  2. Step 2: Convert to fraction form
    748,406.60/1,123,451.21 = 299,444.21/x
  3. Step 3: Cross multiply
    748,406.60x = 1,123,451.21 × 299,444.21
  4. Step 4: Simplify right side
    748,406.60x = 336,410,952,937.52
  5. Step 5: Solve for x
    x = 336,410,952,937.52/748,406.60
  6. Step 6: Final answer
    x = 449,502.92

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Double scale
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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.