Home / 631,204.35-871,062.98-359,272.25

Finding the Fourth Proportional to 631,204.35, 871,062.98 and 359,272.25

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Solution

The fourth proportional to 631,204.35, 871,062.98 and 359,272.25 is: 495,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,204.35 : 871,062.98 = 359,272.25 : x
  2. Step 2: Convert to fraction form
    631,204.35/871,062.98 = 359,272.25/x
  3. Step 3: Cross multiply
    631,204.35x = 871,062.98 × 359,272.25
  4. Step 4: Simplify right side
    631,204.35x = 312,948,750,564.63
  5. Step 5: Solve for x
    x = 312,948,750,564.63/631,204.35
  6. Step 6: Final answer
    x = 495,796.25

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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.