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Finding the Fourth Proportional to 662,820.35, 914,698.26 and 376,346.57

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Solution

The fourth proportional to 662,820.35, 914,698.26 and 376,346.57 is: 519,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,820.35 : 914,698.26 = 376,346.57 : x
  2. Step 2: Convert to fraction form
    662,820.35/914,698.26 = 376,346.57/x
  3. Step 3: Cross multiply
    662,820.35x = 914,698.26 × 376,346.57
  4. Step 4: Simplify right side
    662,820.35x = 344,243,548,162.48
  5. Step 5: Solve for x
    x = 344,243,548,162.48/662,820.35
  6. Step 6: Final answer
    x = 519,361.77

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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.