Home / 667,164.18-1,000,807.77-217,887.39

Finding the Fourth Proportional to 667,164.18, 1,000,807.77 and 217,887.39

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Solution

The fourth proportional to 667,164.18, 1,000,807.77 and 217,887.39 is: 326,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,164.18 : 1,000,807.77 = 217,887.39 : x
  2. Step 2: Convert to fraction form
    667,164.18/1,000,807.77 = 217,887.39/x
  3. Step 3: Cross multiply
    667,164.18x = 1,000,807.77 × 217,887.39
  4. Step 4: Simplify right side
    667,164.18x = 218,063,392,897.02
  5. Step 5: Solve for x
    x = 218,063,392,897.02/667,164.18
  6. Step 6: Final answer
    x = 326,851.17

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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.