Home / 730,458.38-1,095,687.56-197,979.40

Finding the Fourth Proportional to 730,458.38, 1,095,687.56 and 197,979.40

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Solution

The fourth proportional to 730,458.38, 1,095,687.56 and 197,979.40 is: 296,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,458.38 : 1,095,687.56 = 197,979.40 : x
  2. Step 2: Convert to fraction form
    730,458.38/1,095,687.56 = 197,979.40/x
  3. Step 3: Cross multiply
    730,458.38x = 1,095,687.56 × 197,979.40
  4. Step 4: Simplify right side
    730,458.38x = 216,923,564,726.37
  5. Step 5: Solve for x
    x = 216,923,564,726.37/730,458.38
  6. Step 6: Final answer
    x = 296,969.09

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Double scale
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Similar ratio
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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.