Home / 925,351.91-1,387,687.88-317,967.96

Finding the Fourth Proportional to 925,351.91, 1,387,687.88 and 317,967.96

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Solution

The fourth proportional to 925,351.91, 1,387,687.88 and 317,967.96 is: 476,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,351.91 : 1,387,687.88 = 317,967.96 : x
  2. Step 2: Convert to fraction form
    925,351.91/1,387,687.88 = 317,967.96/x
  3. Step 3: Cross multiply
    925,351.91x = 1,387,687.88 × 317,967.96
  4. Step 4: Simplify right side
    925,351.91x = 441,240,282,730.49
  5. Step 5: Solve for x
    x = 441,240,282,730.49/925,351.91
  6. Step 6: Final answer
    x = 476,835.12

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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.