Home / 764,148.52-1,054,446.42-477,700.12

Finding the Fourth Proportional to 764,148.52, 1,054,446.42 and 477,700.12

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Solution

The fourth proportional to 764,148.52, 1,054,446.42 and 477,700.12 is: 659,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,148.52 : 1,054,446.42 = 477,700.12 : x
  2. Step 2: Convert to fraction form
    764,148.52/1,054,446.42 = 477,700.12/x
  3. Step 3: Cross multiply
    764,148.52x = 1,054,446.42 × 477,700.12
  4. Step 4: Simplify right side
    764,148.52x = 503,709,181,367.57
  5. Step 5: Solve for x
    x = 503,709,181,367.57/764,148.52
  6. Step 6: Final answer
    x = 659,177.07

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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.