Home / 782,257.28-1,173,879.52-332,977.43

Finding the Fourth Proportional to 782,257.28, 1,173,879.52 and 332,977.43

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Solution

The fourth proportional to 782,257.28, 1,173,879.52 and 332,977.43 is: 499,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,257.28 : 1,173,879.52 = 332,977.43 : x
  2. Step 2: Convert to fraction form
    782,257.28/1,173,879.52 = 332,977.43/x
  3. Step 3: Cross multiply
    782,257.28x = 1,173,879.52 × 332,977.43
  4. Step 4: Simplify right side
    782,257.28x = 390,875,385,699.23
  5. Step 5: Solve for x
    x = 390,875,385,699.23/782,257.28
  6. Step 6: Final answer
    x = 499,676.25

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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.