Home / 766,370.52-1,057,580.82-426,841.20

Finding the Fourth Proportional to 766,370.52, 1,057,580.82 and 426,841.20

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Solution

The fourth proportional to 766,370.52, 1,057,580.82 and 426,841.20 is: 589,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,370.52 : 1,057,580.82 = 426,841.20 : x
  2. Step 2: Convert to fraction form
    766,370.52/1,057,580.82 = 426,841.20/x
  3. Step 3: Cross multiply
    766,370.52x = 1,057,580.82 × 426,841.20
  4. Step 4: Simplify right side
    766,370.52x = 451,419,066,305.78
  5. Step 5: Solve for x
    x = 451,419,066,305.78/766,370.52
  6. Step 6: Final answer
    x = 589,035.01

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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.