Home / 764,597.50-1,055,145.78-425,065.75

Finding the Fourth Proportional to 764,597.50, 1,055,145.78 and 425,065.75

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Solution

The fourth proportional to 764,597.50, 1,055,145.78 and 425,065.75 is: 586,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,597.50 : 1,055,145.78 = 425,065.75 : x
  2. Step 2: Convert to fraction form
    764,597.50/1,055,145.78 = 425,065.75/x
  3. Step 3: Cross multiply
    764,597.50x = 1,055,145.78 × 425,065.75
  4. Step 4: Simplify right side
    764,597.50x = 448,506,332,335.04
  5. Step 5: Solve for x
    x = 448,506,332,335.04/764,597.50
  6. Step 6: Final answer
    x = 586,591.42

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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.