Home / 739,240.14-1,108,690.65-206,798.70

Finding the Fourth Proportional to 739,240.14, 1,108,690.65 and 206,798.70

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Solution

The fourth proportional to 739,240.14, 1,108,690.65 and 206,798.70 is: 310,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,240.14 : 1,108,690.65 = 206,798.70 : x
  2. Step 2: Convert to fraction form
    739,240.14/1,108,690.65 = 206,798.70/x
  3. Step 3: Cross multiply
    739,240.14x = 1,108,690.65 × 206,798.70
  4. Step 4: Simplify right side
    739,240.14x = 229,275,785,122.16
  5. Step 5: Solve for x
    x = 229,275,785,122.16/739,240.14
  6. Step 6: Final answer
    x = 310,150.62

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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.