Home / 750,425.87-1,125,298.42-323,759.94

Finding the Fourth Proportional to 750,425.87, 1,125,298.42 and 323,759.94

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Solution

The fourth proportional to 750,425.87, 1,125,298.42 and 323,759.94 is: 485,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,425.87 : 1,125,298.42 = 323,759.94 : x
  2. Step 2: Convert to fraction form
    750,425.87/1,125,298.42 = 323,759.94/x
  3. Step 3: Cross multiply
    750,425.87x = 1,125,298.42 × 323,759.94
  4. Step 4: Simplify right side
    750,425.87x = 364,326,545,733.18
  5. Step 5: Solve for x
    x = 364,326,545,733.18/750,425.87
  6. Step 6: Final answer
    x = 485,493.05

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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.