Home / 723,854.64-1,085,781.96-225,119.28

Finding the Fourth Proportional to 723,854.64, 1,085,781.96 and 225,119.28

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Solution

The fourth proportional to 723,854.64, 1,085,781.96 and 225,119.28 is: 337,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,854.64 : 1,085,781.96 = 225,119.28 : x
  2. Step 2: Convert to fraction form
    723,854.64/1,085,781.96 = 225,119.28/x
  3. Step 3: Cross multiply
    723,854.64x = 1,085,781.96 × 225,119.28
  4. Step 4: Simplify right side
    723,854.64x = 244,430,453,072.19
  5. Step 5: Solve for x
    x = 244,430,453,072.19/723,854.64
  6. Step 6: Final answer
    x = 337,678.92

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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.