Home / 766,428.32-1,057,671.35-444,325.13

Finding the Fourth Proportional to 766,428.32, 1,057,671.35 and 444,325.13

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Solution

The fourth proportional to 766,428.32, 1,057,671.35 and 444,325.13 is: 613,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,428.32 : 1,057,671.35 = 444,325.13 : x
  2. Step 2: Convert to fraction form
    766,428.32/1,057,671.35 = 444,325.13/x
  3. Step 3: Cross multiply
    766,428.32x = 1,057,671.35 × 444,325.13
  4. Step 4: Simplify right side
    766,428.32x = 469,949,957,864.40
  5. Step 5: Solve for x
    x = 469,949,957,864.40/766,428.32
  6. Step 6: Final answer
    x = 613,168.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.