Home / 766,250.73-1,057,350.30-426,750.57

Finding the Fourth Proportional to 766,250.73, 1,057,350.30 and 426,750.57

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Solution

The fourth proportional to 766,250.73, 1,057,350.30 and 426,750.57 is: 588,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,250.73 : 1,057,350.30 = 426,750.57 : x
  2. Step 2: Convert to fraction form
    766,250.73/1,057,350.30 = 426,750.57/x
  3. Step 3: Cross multiply
    766,250.73x = 1,057,350.30 × 426,750.57
  4. Step 4: Simplify right side
    766,250.73x = 451,224,843,214.67
  5. Step 5: Solve for x
    x = 451,224,843,214.67/766,250.73
  6. Step 6: Final answer
    x = 588,873.62

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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.