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Finding the Fourth Proportional to 610,112.86, 914,559.66 and 289,700.96

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Solution

The fourth proportional to 610,112.86, 914,559.66 and 289,700.96 is: 434,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,112.86 : 914,559.66 = 289,700.96 : x
  2. Step 2: Convert to fraction form
    610,112.86/914,559.66 = 289,700.96/x
  3. Step 3: Cross multiply
    610,112.86x = 914,559.66 × 289,700.96
  4. Step 4: Simplify right side
    610,112.86x = 264,948,806,906.48
  5. Step 5: Solve for x
    x = 264,948,806,906.48/610,112.86
  6. Step 6: Final answer
    x = 434,261.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.