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Finding the Fourth Proportional to 656,179.29, 905,527.22 and 354,373.29

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Solution

The fourth proportional to 656,179.29, 905,527.22 and 354,373.29 is: 489,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,179.29 : 905,527.22 = 354,373.29 : x
  2. Step 2: Convert to fraction form
    656,179.29/905,527.22 = 354,373.29/x
  3. Step 3: Cross multiply
    656,179.29x = 905,527.22 × 354,373.29
  4. Step 4: Simplify right side
    656,179.29x = 320,894,658,364.09
  5. Step 5: Solve for x
    x = 320,894,658,364.09/656,179.29
  6. Step 6: Final answer
    x = 489,035.03

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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.