Home / 739,616.53-1,109,488.17-259,802.63

Finding the Fourth Proportional to 739,616.53, 1,109,488.17 and 259,802.63

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Solution

The fourth proportional to 739,616.53, 1,109,488.17 and 259,802.63 is: 389,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,616.53 : 1,109,488.17 = 259,802.63 : x
  2. Step 2: Convert to fraction form
    739,616.53/1,109,488.17 = 259,802.63/x
  3. Step 3: Cross multiply
    739,616.53x = 1,109,488.17 × 259,802.63
  4. Step 4: Simplify right side
    739,616.53x = 288,247,944,519.89
  5. Step 5: Solve for x
    x = 288,247,944,519.89/739,616.53
  6. Step 6: Final answer
    x = 389,726.21

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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.