Home / 688,832.38-950,600.14-378,748.06

Finding the Fourth Proportional to 688,832.38, 950,600.14 and 378,748.06

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Solution

The fourth proportional to 688,832.38, 950,600.14 and 378,748.06 is: 522,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,832.38 : 950,600.14 = 378,748.06 : x
  2. Step 2: Convert to fraction form
    688,832.38/950,600.14 = 378,748.06/x
  3. Step 3: Cross multiply
    688,832.38x = 950,600.14 × 378,748.06
  4. Step 4: Simplify right side
    688,832.38x = 360,037,958,860.73
  5. Step 5: Solve for x
    x = 360,037,958,860.73/688,832.38
  6. Step 6: Final answer
    x = 522,678.62

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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.