Home / 427,822.30-590,401.77-234,226.78

Finding the Fourth Proportional to 427,822.30, 590,401.77 and 234,226.78

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Solution

The fourth proportional to 427,822.30, 590,401.77 and 234,226.78 is: 323,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,822.30 : 590,401.77 = 234,226.78 : x
  2. Step 2: Convert to fraction form
    427,822.30/590,401.77 = 234,226.78/x
  3. Step 3: Cross multiply
    427,822.30x = 590,401.77 × 234,226.78
  4. Step 4: Simplify right side
    427,822.30x = 138,287,905,493.40
  5. Step 5: Solve for x
    x = 138,287,905,493.40/427,822.30
  6. Step 6: Final answer
    x = 323,236.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.