Home / 766,506.12-1,149,897.78-316,982.94

Finding the Fourth Proportional to 766,506.12, 1,149,897.78 and 316,982.94

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Solution

The fourth proportional to 766,506.12, 1,149,897.78 and 316,982.94 is: 475,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,506.12 : 1,149,897.78 = 316,982.94 : x
  2. Step 2: Convert to fraction form
    766,506.12/1,149,897.78 = 316,982.94/x
  3. Step 3: Cross multiply
    766,506.12x = 1,149,897.78 × 316,982.94
  4. Step 4: Simplify right side
    766,506.12x = 364,497,979,003.87
  5. Step 5: Solve for x
    x = 364,497,979,003.87/766,506.12
  6. Step 6: Final answer
    x = 475,531.73

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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.