Home / 782,367.30-1,172,676.15-333,011.70

Finding the Fourth Proportional to 782,367.30, 1,172,676.15 and 333,011.70

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Solution

The fourth proportional to 782,367.30, 1,172,676.15 and 333,011.70 is: 499,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,367.30 : 1,172,676.15 = 333,011.70 : x
  2. Step 2: Convert to fraction form
    782,367.30/1,172,676.15 = 333,011.70/x
  3. Step 3: Cross multiply
    782,367.30x = 1,172,676.15 × 333,011.70
  4. Step 4: Simplify right side
    782,367.30x = 390,514,878,260.96
  5. Step 5: Solve for x
    x = 390,514,878,260.96/782,367.30
  6. Step 6: Final answer
    x = 499,145.19

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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.