Home / 804,717.20-1,207,997.40-472,480.40

Finding the Fourth Proportional to 804,717.20, 1,207,997.40 and 472,480.40

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Solution

The fourth proportional to 804,717.20, 1,207,997.40 and 472,480.40 is: 709,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,717.20 : 1,207,997.40 = 472,480.40 : x
  2. Step 2: Convert to fraction form
    804,717.20/1,207,997.40 = 472,480.40/x
  3. Step 3: Cross multiply
    804,717.20x = 1,207,997.40 × 472,480.40
  4. Step 4: Simplify right side
    804,717.20x = 570,755,094,750.96
  5. Step 5: Solve for x
    x = 570,755,094,750.96/804,717.20
  6. Step 6: Final answer
    x = 709,261.71

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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.