Home / 451,091.48-676,425.33-261,605.70

Finding the Fourth Proportional to 451,091.48, 676,425.33 and 261,605.70

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Solution

The fourth proportional to 451,091.48, 676,425.33 and 261,605.70 is: 392,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,091.48 : 676,425.33 = 261,605.70 : x
  2. Step 2: Convert to fraction form
    451,091.48/676,425.33 = 261,605.70/x
  3. Step 3: Cross multiply
    451,091.48x = 676,425.33 × 261,605.70
  4. Step 4: Simplify right side
    451,091.48x = 176,956,721,952.38
  5. Step 5: Solve for x
    x = 176,956,721,952.38/451,091.48
  6. Step 6: Final answer
    x = 392,285.67

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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.