Home / 787,058.94-1,086,041.61-447,534.48

Finding the Fourth Proportional to 787,058.94, 1,086,041.61 and 447,534.48

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Solution

The fourth proportional to 787,058.94, 1,086,041.61 and 447,534.48 is: 617,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,058.94 : 1,086,041.61 = 447,534.48 : x
  2. Step 2: Convert to fraction form
    787,058.94/1,086,041.61 = 447,534.48/x
  3. Step 3: Cross multiply
    787,058.94x = 1,086,041.61 × 447,534.48
  4. Step 4: Simplify right side
    787,058.94x = 486,041,067,189.71
  5. Step 5: Solve for x
    x = 486,041,067,189.71/787,058.94
  6. Step 6: Final answer
    x = 617,540.88

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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.