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Finding the Fourth Proportional to 659,196.30, 988,794.45 and 446,619.90

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Solution

The fourth proportional to 659,196.30, 988,794.45 and 446,619.90 is: 669,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,196.30 : 988,794.45 = 446,619.90 : x
  2. Step 2: Convert to fraction form
    659,196.30/988,794.45 = 446,619.90/x
  3. Step 3: Cross multiply
    659,196.30x = 988,794.45 × 446,619.90
  4. Step 4: Simplify right side
    659,196.30x = 441,615,278,379.56
  5. Step 5: Solve for x
    x = 441,615,278,379.56/659,196.30
  6. Step 6: Final answer
    x = 669,929.85

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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.