Home / 739,513.59-1,109,393.03-259,616.85

Finding the Fourth Proportional to 739,513.59, 1,109,393.03 and 259,616.85

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Solution

The fourth proportional to 739,513.59, 1,109,393.03 and 259,616.85 is: 389,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,513.59 : 1,109,393.03 = 259,616.85 : x
  2. Step 2: Convert to fraction form
    739,513.59/1,109,393.03 = 259,616.85/x
  3. Step 3: Cross multiply
    739,513.59x = 1,109,393.03 × 259,616.85
  4. Step 4: Simplify right side
    739,513.59x = 288,017,124,509.60
  5. Step 5: Solve for x
    x = 288,017,124,509.60/739,513.59
  6. Step 6: Final answer
    x = 389,468.33

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Double scale
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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.