Home / 766,322.38-1,057,524.87-426,790.63

Finding the Fourth Proportional to 766,322.38, 1,057,524.87 and 426,790.63

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Solution

The fourth proportional to 766,322.38, 1,057,524.87 and 426,790.63 is: 588,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,322.38 : 1,057,524.87 = 426,790.63 : x
  2. Step 2: Convert to fraction form
    766,322.38/1,057,524.87 = 426,790.63/x
  3. Step 3: Cross multiply
    766,322.38x = 1,057,524.87 × 426,790.63
  4. Step 4: Simplify right side
    766,322.38x = 451,341,705,507.97
  5. Step 5: Solve for x
    x = 451,341,705,507.97/766,322.38
  6. Step 6: Final answer
    x = 588,971.06

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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.