Home / 776,632.86-1,165,402.08-327,325.86

Finding the Fourth Proportional to 776,632.86, 1,165,402.08 and 327,325.86

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Solution

The fourth proportional to 776,632.86, 1,165,402.08 and 327,325.86 is: 491,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,632.86 : 1,165,402.08 = 327,325.86 : x
  2. Step 2: Convert to fraction form
    776,632.86/1,165,402.08 = 327,325.86/x
  3. Step 3: Cross multiply
    776,632.86x = 1,165,402.08 × 327,325.86
  4. Step 4: Simplify right side
    776,632.86x = 381,466,238,081.79
  5. Step 5: Solve for x
    x = 381,466,238,081.79/776,632.86
  6. Step 6: Final answer
    x = 491,179.63

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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.