Home / 764,729.76-1,055,305.36-425,191.84

Finding the Fourth Proportional to 764,729.76, 1,055,305.36 and 425,191.84

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Solution

The fourth proportional to 764,729.76, 1,055,305.36 and 425,191.84 is: 586,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,729.76 : 1,055,305.36 = 425,191.84 : x
  2. Step 2: Convert to fraction form
    764,729.76/1,055,305.36 = 425,191.84/x
  3. Step 3: Cross multiply
    764,729.76x = 1,055,305.36 × 425,191.84
  4. Step 4: Simplify right side
    764,729.76x = 448,707,227,780.26
  5. Step 5: Solve for x
    x = 448,707,227,780.26/764,729.76
  6. Step 6: Final answer
    x = 586,752.67

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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.