Home / 499,003.60-688,624.38-269,560.84

Finding the Fourth Proportional to 499,003.60, 688,624.38 and 269,560.84

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Solution

The fourth proportional to 499,003.60, 688,624.38 and 269,560.84 is: 371,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,003.60 : 688,624.38 = 269,560.84 : x
  2. Step 2: Convert to fraction form
    499,003.60/688,624.38 = 269,560.84/x
  3. Step 3: Cross multiply
    499,003.60x = 688,624.38 × 269,560.84
  4. Step 4: Simplify right side
    499,003.60x = 185,626,166,317.28
  5. Step 5: Solve for x
    x = 185,626,166,317.28/499,003.60
  6. Step 6: Final answer
    x = 371,993.64

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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.