Home / 802,811.10-1,204,216.65-329,835.90

Finding the Fourth Proportional to 802,811.10, 1,204,216.65 and 329,835.90

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Solution

The fourth proportional to 802,811.10, 1,204,216.65 and 329,835.90 is: 494,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,811.10 : 1,204,216.65 = 329,835.90 : x
  2. Step 2: Convert to fraction form
    802,811.10/1,204,216.65 = 329,835.90/x
  3. Step 3: Cross multiply
    802,811.10x = 1,204,216.65 × 329,835.90
  4. Step 4: Simplify right side
    802,811.10x = 397,193,882,547.74
  5. Step 5: Solve for x
    x = 397,193,882,547.74/802,811.10
  6. Step 6: Final answer
    x = 494,753.85

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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.