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Finding the Fourth Proportional to 662,896.56, 914,765.76 and 376,379.04

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Solution

The fourth proportional to 662,896.56, 914,765.76 and 376,379.04 is: 519,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,896.56 : 914,765.76 = 376,379.04 : x
  2. Step 2: Convert to fraction form
    662,896.56/914,765.76 = 376,379.04/x
  3. Step 3: Cross multiply
    662,896.56x = 914,765.76 × 376,379.04
  4. Step 4: Simplify right side
    662,896.56x = 344,298,658,573.67
  5. Step 5: Solve for x
    x = 344,298,658,573.67/662,896.56
  6. Step 6: Final answer
    x = 519,385.19

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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.