Home / 488,432.39-733,121.52-235,890.38

Finding the Fourth Proportional to 488,432.39, 733,121.52 and 235,890.38

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Solution

The fourth proportional to 488,432.39, 733,121.52 and 235,890.38 is: 354,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,432.39 : 733,121.52 = 235,890.38 : x
  2. Step 2: Convert to fraction form
    488,432.39/733,121.52 = 235,890.38/x
  3. Step 3: Cross multiply
    488,432.39x = 733,121.52 × 235,890.38
  4. Step 4: Simplify right side
    488,432.39x = 172,936,314,887.19
  5. Step 5: Solve for x
    x = 172,936,314,887.19/488,432.39
  6. Step 6: Final answer
    x = 354,063.98

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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.