Home / 766,373.05-1,057,677.93-422,244.27

Finding the Fourth Proportional to 766,373.05, 1,057,677.93 and 422,244.27

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Solution

The fourth proportional to 766,373.05, 1,057,677.93 and 422,244.27 is: 582,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,373.05 : 1,057,677.93 = 422,244.27 : x
  2. Step 2: Convert to fraction form
    766,373.05/1,057,677.93 = 422,244.27/x
  3. Step 3: Cross multiply
    766,373.05x = 1,057,677.93 × 422,244.27
  4. Step 4: Simplify right side
    766,373.05x = 446,598,441,285.68
  5. Step 5: Solve for x
    x = 446,598,441,285.68/766,373.05
  6. Step 6: Final answer
    x = 582,742.89

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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.