Home / 669,372.80-1,003,385.28-295,329.92

Finding the Fourth Proportional to 669,372.80, 1,003,385.28 and 295,329.92

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Solution

The fourth proportional to 669,372.80, 1,003,385.28 and 295,329.92 is: 442,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,372.80 : 1,003,385.28 = 295,329.92 : x
  2. Step 2: Convert to fraction form
    669,372.80/1,003,385.28 = 295,329.92/x
  3. Step 3: Cross multiply
    669,372.80x = 1,003,385.28 × 295,329.92
  4. Step 4: Simplify right side
    669,372.80x = 296,329,694,471.58
  5. Step 5: Solve for x
    x = 296,329,694,471.58/669,372.80
  6. Step 6: Final answer
    x = 442,697.54

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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.