Home / 543,252.76-815,678.85-303,835.72

Finding the Fourth Proportional to 543,252.76, 815,678.85 and 303,835.72

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Solution

The fourth proportional to 543,252.76, 815,678.85 and 303,835.72 is: 456,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,252.76 : 815,678.85 = 303,835.72 : x
  2. Step 2: Convert to fraction form
    543,252.76/815,678.85 = 303,835.72/x
  3. Step 3: Cross multiply
    543,252.76x = 815,678.85 × 303,835.72
  4. Step 4: Simplify right side
    543,252.76x = 247,832,370,678.52
  5. Step 5: Solve for x
    x = 247,832,370,678.52/543,252.76
  6. Step 6: Final answer
    x = 456,200.85

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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.