Home / 543,251.76-815,677.35-303,834.72

Finding the Fourth Proportional to 543,251.76, 815,677.35 and 303,834.72

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Solution

The fourth proportional to 543,251.76, 815,677.35 and 303,834.72 is: 456,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,251.76 : 815,677.35 = 303,834.72 : x
  2. Step 2: Convert to fraction form
    543,251.76/815,677.35 = 303,834.72/x
  3. Step 3: Cross multiply
    543,251.76x = 815,677.35 × 303,834.72
  4. Step 4: Simplify right side
    543,251.76x = 247,831,099,247.59
  5. Step 5: Solve for x
    x = 247,831,099,247.59/543,251.76
  6. Step 6: Final answer
    x = 456,199.35

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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.