Home / 741,137.12-1,111,679.76-314,398.88

Finding the Fourth Proportional to 741,137.12, 1,111,679.76 and 314,398.88

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Solution

The fourth proportional to 741,137.12, 1,111,679.76 and 314,398.88 is: 471,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,137.12 : 1,111,679.76 = 314,398.88 : x
  2. Step 2: Convert to fraction form
    741,137.12/1,111,679.76 = 314,398.88/x
  3. Step 3: Cross multiply
    741,137.12x = 1,111,679.76 × 314,398.88
  4. Step 4: Simplify right side
    741,137.12x = 349,510,871,462.67
  5. Step 5: Solve for x
    x = 349,510,871,462.67/741,137.12
  6. Step 6: Final answer
    x = 471,587.32

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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.