Home / 500,175.11-690,053.25-328,188.02

Finding the Fourth Proportional to 500,175.11, 690,053.25 and 328,188.02

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Solution

The fourth proportional to 500,175.11, 690,053.25 and 328,188.02 is: 452,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,175.11 : 690,053.25 = 328,188.02 : x
  2. Step 2: Convert to fraction form
    500,175.11/690,053.25 = 328,188.02/x
  3. Step 3: Cross multiply
    500,175.11x = 690,053.25 × 328,188.02
  4. Step 4: Simplify right side
    500,175.11x = 226,467,207,592.50
  5. Step 5: Solve for x
    x = 226,467,207,592.50/500,175.11
  6. Step 6: Final answer
    x = 452,775.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.