Home / 766,032-1,057,131.45-426,507.54

Finding the Fourth Proportional to 766,032, 1,057,131.45 and 426,507.54

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Solution

The fourth proportional to 766,032, 1,057,131.45 and 426,507.54 is: 588,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,032 : 1,057,131.45 = 426,507.54 : x
  2. Step 2: Convert to fraction form
    766,032/1,057,131.45 = 426,507.54/x
  3. Step 3: Cross multiply
    766,032x = 1,057,131.45 × 426,507.54
  4. Step 4: Simplify right side
    766,032x = 450,874,534,196.13
  5. Step 5: Solve for x
    x = 450,874,534,196.13/766,032
  6. Step 6: Final answer
    x = 588,584.46

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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.