Home / 537,519.40-741,794.15-308,120.10

Finding the Fourth Proportional to 537,519.40, 741,794.15 and 308,120.10

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Solution

The fourth proportional to 537,519.40, 741,794.15 and 308,120.10 is: 425,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,519.40 : 741,794.15 = 308,120.10 : x
  2. Step 2: Convert to fraction form
    537,519.40/741,794.15 = 308,120.10/x
  3. Step 3: Cross multiply
    537,519.40x = 741,794.15 × 308,120.10
  4. Step 4: Simplify right side
    537,519.40x = 228,561,687,677.42
  5. Step 5: Solve for x
    x = 228,561,687,677.42/537,519.40
  6. Step 6: Final answer
    x = 425,215.70

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1.5x scale

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.