Home / 739,028.88-1,108,545.64-206,546.40

Finding the Fourth Proportional to 739,028.88, 1,108,545.64 and 206,546.40

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Solution

The fourth proportional to 739,028.88, 1,108,545.64 and 206,546.40 is: 309,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,028.88 : 1,108,545.64 = 206,546.40 : x
  2. Step 2: Convert to fraction form
    739,028.88/1,108,545.64 = 206,546.40/x
  3. Step 3: Cross multiply
    739,028.88x = 1,108,545.64 × 206,546.40
  4. Step 4: Simplify right side
    739,028.88x = 228,966,111,177.70
  5. Step 5: Solve for x
    x = 228,966,111,177.70/739,028.88
  6. Step 6: Final answer
    x = 309,820.25

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1.5x scale

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.