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Finding the Fourth Proportional to 662,741.26, 914,608.83 and 376,288

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Solution

The fourth proportional to 662,741.26, 914,608.83 and 376,288 is: 519,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,741.26 : 914,608.83 = 376,288 : x
  2. Step 2: Convert to fraction form
    662,741.26/914,608.83 = 376,288/x
  3. Step 3: Cross multiply
    662,741.26x = 914,608.83 × 376,288
  4. Step 4: Simplify right side
    662,741.26x = 344,156,327,423.04
  5. Step 5: Solve for x
    x = 344,156,327,423.04/662,741.26
  6. Step 6: Final answer
    x = 519,292.14

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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.