Home / 766,246.72-1,057,344.78-426,746.56

Finding the Fourth Proportional to 766,246.72, 1,057,344.78 and 426,746.56

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Solution

The fourth proportional to 766,246.72, 1,057,344.78 and 426,746.56 is: 588,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,246.72 : 1,057,344.78 = 426,746.56 : x
  2. Step 2: Convert to fraction form
    766,246.72/1,057,344.78 = 426,746.56/x
  3. Step 3: Cross multiply
    766,246.72x = 1,057,344.78 × 426,746.56
  4. Step 4: Simplify right side
    766,246.72x = 451,218,246,555.89
  5. Step 5: Solve for x
    x = 451,218,246,555.89/766,246.72
  6. Step 6: Final answer
    x = 588,868.10

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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.