Home / 749,077.07-1,123,727.48-275,726.43

Finding the Fourth Proportional to 749,077.07, 1,123,727.48 and 275,726.43

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Solution

The fourth proportional to 749,077.07, 1,123,727.48 and 275,726.43 is: 413,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,077.07 : 1,123,727.48 = 275,726.43 : x
  2. Step 2: Convert to fraction form
    749,077.07/1,123,727.48 = 275,726.43/x
  3. Step 3: Cross multiply
    749,077.07x = 1,123,727.48 × 275,726.43
  4. Step 4: Simplify right side
    749,077.07x = 309,841,364,974.66
  5. Step 5: Solve for x
    x = 309,841,364,974.66/749,077.07
  6. Step 6: Final answer
    x = 413,630.83

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1.5x scale

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.