Home / 537,678.28-741,909.20-308,193.33

Finding the Fourth Proportional to 537,678.28, 741,909.20 and 308,193.33

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Solution

The fourth proportional to 537,678.28, 741,909.20 and 308,193.33 is: 425,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,678.28 : 741,909.20 = 308,193.33 : x
  2. Step 2: Convert to fraction form
    537,678.28/741,909.20 = 308,193.33/x
  3. Step 3: Cross multiply
    537,678.28x = 741,909.20 × 308,193.33
  4. Step 4: Simplify right side
    537,678.28x = 228,651,466,927.00
  5. Step 5: Solve for x
    x = 228,651,466,927.00/537,678.28
  6. Step 6: Final answer
    x = 425,257.03

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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.