Home / 691,838.60-1,037,757.90-376,910.60

Finding the Fourth Proportional to 691,838.60, 1,037,757.90 and 376,910.60

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Solution

The fourth proportional to 691,838.60, 1,037,757.90 and 376,910.60 is: 565,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,838.60 : 1,037,757.90 = 376,910.60 : x
  2. Step 2: Convert to fraction form
    691,838.60/1,037,757.90 = 376,910.60/x
  3. Step 3: Cross multiply
    691,838.60x = 1,037,757.90 × 376,910.60
  4. Step 4: Simplify right side
    691,838.60x = 391,141,952,743.74
  5. Step 5: Solve for x
    x = 391,141,952,743.74/691,838.60
  6. Step 6: Final answer
    x = 565,365.90

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1.5x scale

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.