Home / 650,867.28-897,565.80-507,575.04

Finding the Fourth Proportional to 650,867.28, 897,565.80 and 507,575.04

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Solution

The fourth proportional to 650,867.28, 897,565.80 and 507,575.04 is: 699,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,867.28 : 897,565.80 = 507,575.04 : x
  2. Step 2: Convert to fraction form
    650,867.28/897,565.80 = 507,575.04/x
  3. Step 3: Cross multiply
    650,867.28x = 897,565.80 × 507,575.04
  4. Step 4: Simplify right side
    650,867.28x = 455,581,996,837.63
  5. Step 5: Solve for x
    x = 455,581,996,837.63/650,867.28
  6. Step 6: Final answer
    x = 699,961.44

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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.