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Finding the Fourth Proportional to 631,225.48, 871,096.74 and 359,310.88

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Solution

The fourth proportional to 631,225.48, 871,096.74 and 359,310.88 is: 495,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,225.48 : 871,096.74 = 359,310.88 : x
  2. Step 2: Convert to fraction form
    631,225.48/871,096.74 = 359,310.88/x
  3. Step 3: Cross multiply
    631,225.48x = 871,096.74 × 359,310.88
  4. Step 4: Simplify right side
    631,225.48x = 312,994,536,214.53
  5. Step 5: Solve for x
    x = 312,994,536,214.53/631,225.48
  6. Step 6: Final answer
    x = 495,852.19

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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.