Home / 715,687.12-1,073,661.90-294,733.36

Finding the Fourth Proportional to 715,687.12, 1,073,661.90 and 294,733.36

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Solution

The fourth proportional to 715,687.12, 1,073,661.90 and 294,733.36 is: 442,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,687.12 : 1,073,661.90 = 294,733.36 : x
  2. Step 2: Convert to fraction form
    715,687.12/1,073,661.90 = 294,733.36/x
  3. Step 3: Cross multiply
    715,687.12x = 1,073,661.90 × 294,733.36
  4. Step 4: Simplify right side
    715,687.12x = 316,443,979,290.98
  5. Step 5: Solve for x
    x = 316,443,979,290.98/715,687.12
  6. Step 6: Final answer
    x = 442,154.08

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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.