Home / 541,177.86-746,904.29-311,690.49

Finding the Fourth Proportional to 541,177.86, 746,904.29 and 311,690.49

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Solution

The fourth proportional to 541,177.86, 746,904.29 and 311,690.49 is: 430,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,177.86 : 746,904.29 = 311,690.49 : x
  2. Step 2: Convert to fraction form
    541,177.86/746,904.29 = 311,690.49/x
  3. Step 3: Cross multiply
    541,177.86x = 746,904.29 × 311,690.49
  4. Step 4: Simplify right side
    541,177.86x = 232,802,964,133.20
  5. Step 5: Solve for x
    x = 232,802,964,133.20/541,177.86
  6. Step 6: Final answer
    x = 430,178.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.