Home / 631,201.13-871,058.55-359,269.04

Finding the Fourth Proportional to 631,201.13, 871,058.55 and 359,269.04

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Solution

The fourth proportional to 631,201.13, 871,058.55 and 359,269.04 is: 495,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,201.13 : 871,058.55 = 359,269.04 : x
  2. Step 2: Convert to fraction form
    631,201.13/871,058.55 = 359,269.04/x
  3. Step 3: Cross multiply
    631,201.13x = 871,058.55 × 359,269.04
  4. Step 4: Simplify right side
    631,201.13x = 312,944,369,493.58
  5. Step 5: Solve for x
    x = 312,944,369,493.58/631,201.13
  6. Step 6: Final answer
    x = 495,791.84

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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.