Home / 642,724.68-886,944.96-370,793.16

Finding the Fourth Proportional to 642,724.68, 886,944.96 and 370,793.16

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Solution

The fourth proportional to 642,724.68, 886,944.96 and 370,793.16 is: 511,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,724.68 : 886,944.96 = 370,793.16 : x
  2. Step 2: Convert to fraction form
    642,724.68/886,944.96 = 370,793.16/x
  3. Step 3: Cross multiply
    642,724.68x = 886,944.96 × 370,793.16
  4. Step 4: Simplify right side
    642,724.68x = 328,873,124,464.47
  5. Step 5: Solve for x
    x = 328,873,124,464.47/642,724.68
  6. Step 6: Final answer
    x = 511,685.85

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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.