Home / 739,240.35-1,109,326.92-289,949.22

Finding the Fourth Proportional to 739,240.35, 1,109,326.92 and 289,949.22

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Solution

The fourth proportional to 739,240.35, 1,109,326.92 and 289,949.22 is: 435,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,240.35 : 1,109,326.92 = 289,949.22 : x
  2. Step 2: Convert to fraction form
    739,240.35/1,109,326.92 = 289,949.22/x
  3. Step 3: Cross multiply
    739,240.35x = 1,109,326.92 × 289,949.22
  4. Step 4: Simplify right side
    739,240.35x = 321,648,475,179.00
  5. Step 5: Solve for x
    x = 321,648,475,179.00/739,240.35
  6. Step 6: Final answer
    x = 435,106.76

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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.