Home / 691,766.60-1,037,965.16-355,043.69

Finding the Fourth Proportional to 691,766.60, 1,037,965.16 and 355,043.69

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Solution

The fourth proportional to 691,766.60, 1,037,965.16 and 355,043.69 is: 532,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,766.60 : 1,037,965.16 = 355,043.69 : x
  2. Step 2: Convert to fraction form
    691,766.60/1,037,965.16 = 355,043.69/x
  3. Step 3: Cross multiply
    691,766.60x = 1,037,965.16 × 355,043.69
  4. Step 4: Simplify right side
    691,766.60x = 368,522,976,195.62
  5. Step 5: Solve for x
    x = 368,522,976,195.62/691,766.60
  6. Step 6: Final answer
    x = 532,727.33

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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.