Home / 764,972.30-1,147,458.45-632,002.70

Finding the Fourth Proportional to 764,972.30, 1,147,458.45 and 632,002.70

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Solution

The fourth proportional to 764,972.30, 1,147,458.45 and 632,002.70 is: 948,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,972.30 : 1,147,458.45 = 632,002.70 : x
  2. Step 2: Convert to fraction form
    764,972.30/1,147,458.45 = 632,002.70/x
  3. Step 3: Cross multiply
    764,972.30x = 1,147,458.45 × 632,002.70
  4. Step 4: Simplify right side
    764,972.30x = 725,196,838,537.82
  5. Step 5: Solve for x
    x = 725,196,838,537.82/764,972.30
  6. Step 6: Final answer
    x = 948,004.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.