Home / 756,049.95-1,134,275.40-329,402.70

Finding the Fourth Proportional to 756,049.95, 1,134,275.40 and 329,402.70

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Solution

The fourth proportional to 756,049.95, 1,134,275.40 and 329,402.70 is: 494,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,049.95 : 1,134,275.40 = 329,402.70 : x
  2. Step 2: Convert to fraction form
    756,049.95/1,134,275.40 = 329,402.70/x
  3. Step 3: Cross multiply
    756,049.95x = 1,134,275.40 × 329,402.70
  4. Step 4: Simplify right side
    756,049.95x = 373,633,379,303.58
  5. Step 5: Solve for x
    x = 373,633,379,303.58/756,049.95
  6. Step 6: Final answer
    x = 494,191.39

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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.