Home / 764,934.60-1,055,610.81-425,402.85

Finding the Fourth Proportional to 764,934.60, 1,055,610.81 and 425,402.85

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Solution

The fourth proportional to 764,934.60, 1,055,610.81 and 425,402.85 is: 587,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,934.60 : 1,055,610.81 = 425,402.85 : x
  2. Step 2: Convert to fraction form
    764,934.60/1,055,610.81 = 425,402.85/x
  3. Step 3: Cross multiply
    764,934.60x = 1,055,610.81 × 425,402.85
  4. Step 4: Simplify right side
    764,934.60x = 449,059,847,064.81
  5. Step 5: Solve for x
    x = 449,059,847,064.81/764,934.60
  6. Step 6: Final answer
    x = 587,056.52

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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.