Home / 766,003.50-1,057,117.64-426,471.75

Finding the Fourth Proportional to 766,003.50, 1,057,117.64 and 426,471.75

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Solution

The fourth proportional to 766,003.50, 1,057,117.64 and 426,471.75 is: 588,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,003.50 : 1,057,117.64 = 426,471.75 : x
  2. Step 2: Convert to fraction form
    766,003.50/1,057,117.64 = 426,471.75/x
  3. Step 3: Cross multiply
    766,003.50x = 1,057,117.64 × 426,471.75
  4. Step 4: Simplify right side
    766,003.50x = 450,830,807,754.31
  5. Step 5: Solve for x
    x = 450,830,807,754.31/766,003.50
  6. Step 6: Final answer
    x = 588,549.28

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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.