Home / 709,233.40-1,063,995.90-236,258.20

Finding the Fourth Proportional to 709,233.40, 1,063,995.90 and 236,258.20

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Solution

The fourth proportional to 709,233.40, 1,063,995.90 and 236,258.20 is: 354,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,233.40 : 1,063,995.90 = 236,258.20 : x
  2. Step 2: Convert to fraction form
    709,233.40/1,063,995.90 = 236,258.20/x
  3. Step 3: Cross multiply
    709,233.40x = 1,063,995.90 × 236,258.20
  4. Step 4: Simplify right side
    709,233.40x = 251,377,756,141.38
  5. Step 5: Solve for x
    x = 251,377,756,141.38/709,233.40
  6. Step 6: Final answer
    x = 354,435.87

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Double scale
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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.