Home / 513,413.31-769,956.17-176,372.69

Finding the Fourth Proportional to 513,413.31, 769,956.17 and 176,372.69

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Solution

The fourth proportional to 513,413.31, 769,956.17 and 176,372.69 is: 264,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,413.31 : 769,956.17 = 176,372.69 : x
  2. Step 2: Convert to fraction form
    513,413.31/769,956.17 = 176,372.69/x
  3. Step 3: Cross multiply
    513,413.31x = 769,956.17 × 176,372.69
  4. Step 4: Simplify right side
    513,413.31x = 135,799,241,928.02
  5. Step 5: Solve for x
    x = 135,799,241,928.02/513,413.31
  6. Step 6: Final answer
    x = 264,502.77

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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.