Home / 739,019.88-1,108,532.14-206,537.40

Finding the Fourth Proportional to 739,019.88, 1,108,532.14 and 206,537.40

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Solution

The fourth proportional to 739,019.88, 1,108,532.14 and 206,537.40 is: 309,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,019.88 : 1,108,532.14 = 206,537.40 : x
  2. Step 2: Convert to fraction form
    739,019.88/1,108,532.14 = 206,537.40/x
  3. Step 3: Cross multiply
    739,019.88x = 1,108,532.14 × 206,537.40
  4. Step 4: Simplify right side
    739,019.88x = 228,953,346,012.04
  5. Step 5: Solve for x
    x = 228,953,346,012.04/739,019.88
  6. Step 6: Final answer
    x = 309,806.75

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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.