Home / 665,624.20-998,582.10-266,164.60

Finding the Fourth Proportional to 665,624.20, 998,582.10 and 266,164.60

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Solution

The fourth proportional to 665,624.20, 998,582.10 and 266,164.60 is: 399,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,624.20 : 998,582.10 = 266,164.60 : x
  2. Step 2: Convert to fraction form
    665,624.20/998,582.10 = 266,164.60/x
  3. Step 3: Cross multiply
    665,624.20x = 998,582.10 × 266,164.60
  4. Step 4: Simplify right side
    665,624.20x = 265,787,205,213.66
  5. Step 5: Solve for x
    x = 265,787,205,213.66/665,624.20
  6. Step 6: Final answer
    x = 399,305.20

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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.