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Finding the Fourth Proportional to 610,600.64, 914,744.90 and 407,584.59

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Solution

The fourth proportional to 610,600.64, 914,744.90 and 407,584.59 is: 610,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,600.64 : 914,744.90 = 407,584.59 : x
  2. Step 2: Convert to fraction form
    610,600.64/914,744.90 = 407,584.59/x
  3. Step 3: Cross multiply
    610,600.64x = 914,744.90 × 407,584.59
  4. Step 4: Simplify right side
    610,600.64x = 372,835,918,409.44
  5. Step 5: Solve for x
    x = 372,835,918,409.44/610,600.64
  6. Step 6: Final answer
    x = 610,605.19

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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.