Home / 527,746.78-789,751.50-328,161.16

Finding the Fourth Proportional to 527,746.78, 789,751.50 and 328,161.16

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Solution

The fourth proportional to 527,746.78, 789,751.50 and 328,161.16 is: 491,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,746.78 : 789,751.50 = 328,161.16 : x
  2. Step 2: Convert to fraction form
    527,746.78/789,751.50 = 328,161.16/x
  3. Step 3: Cross multiply
    527,746.78x = 789,751.50 × 328,161.16
  4. Step 4: Simplify right side
    527,746.78x = 259,165,768,351.74
  5. Step 5: Solve for x
    x = 259,165,768,351.74/527,746.78
  6. Step 6: Final answer
    x = 491,079.77

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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.