Home / 821,721.20-1,230,508.20-655,833.20

Finding the Fourth Proportional to 821,721.20, 1,230,508.20 and 655,833.20

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Solution

The fourth proportional to 821,721.20, 1,230,508.20 and 655,833.20 is: 982,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,721.20 : 1,230,508.20 = 655,833.20 : x
  2. Step 2: Convert to fraction form
    821,721.20/1,230,508.20 = 655,833.20/x
  3. Step 3: Cross multiply
    821,721.20x = 1,230,508.20 × 655,833.20
  4. Step 4: Simplify right side
    821,721.20x = 807,008,130,432.24
  5. Step 5: Solve for x
    x = 807,008,130,432.24/821,721.20
  6. Step 6: Final answer
    x = 982,094.82

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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.