Home / 766,296.65-1,149,584.39-316,773.38

Finding the Fourth Proportional to 766,296.65, 1,149,584.39 and 316,773.38

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Solution

The fourth proportional to 766,296.65, 1,149,584.39 and 316,773.38 is: 475,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,296.65 : 1,149,584.39 = 316,773.38 : x
  2. Step 2: Convert to fraction form
    766,296.65/1,149,584.39 = 316,773.38/x
  3. Step 3: Cross multiply
    766,296.65x = 1,149,584.39 × 316,773.38
  4. Step 4: Simplify right side
    766,296.65x = 364,157,725,483.75
  5. Step 5: Solve for x
    x = 364,157,725,483.75/766,296.65
  6. Step 6: Final answer
    x = 475,217.70

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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.