Home / 729,218.70-1,093,689.54-308,789.82

Finding the Fourth Proportional to 729,218.70, 1,093,689.54 and 308,789.82

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Solution

The fourth proportional to 729,218.70, 1,093,689.54 and 308,789.82 is: 463,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,218.70 : 1,093,689.54 = 308,789.82 : x
  2. Step 2: Convert to fraction form
    729,218.70/1,093,689.54 = 308,789.82/x
  3. Step 3: Cross multiply
    729,218.70x = 1,093,689.54 × 308,789.82
  4. Step 4: Simplify right side
    729,218.70x = 337,720,196,192.48
  5. Step 5: Solve for x
    x = 337,720,196,192.48/729,218.70
  6. Step 6: Final answer
    x = 463,126.08

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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.