Home / 662,913.56-914,789.22-376,396.04

Finding the Fourth Proportional to 662,913.56, 914,789.22 and 376,396.04

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Solution

The fourth proportional to 662,913.56, 914,789.22 and 376,396.04 is: 519,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,913.56 : 914,789.22 = 376,396.04 : x
  2. Step 2: Convert to fraction form
    662,913.56/914,789.22 = 376,396.04/x
  3. Step 3: Cross multiply
    662,913.56x = 914,789.22 × 376,396.04
  4. Step 4: Simplify right side
    662,913.56x = 344,323,039,842.69
  5. Step 5: Solve for x
    x = 344,323,039,842.69/662,913.56
  6. Step 6: Final answer
    x = 519,408.65

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1.5x scale

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.