Home / 499,439.39-689,225.36-269,996.76

Finding the Fourth Proportional to 499,439.39, 689,225.36 and 269,996.76

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Solution

The fourth proportional to 499,439.39, 689,225.36 and 269,996.76 is: 372,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,439.39 : 689,225.36 = 269,996.76 : x
  2. Step 2: Convert to fraction form
    499,439.39/689,225.36 = 269,996.76/x
  3. Step 3: Cross multiply
    499,439.39x = 689,225.36 × 269,996.76
  4. Step 4: Simplify right side
    499,439.39x = 186,088,612,759.85
  5. Step 5: Solve for x
    x = 186,088,612,759.85/499,439.39
  6. Step 6: Final answer
    x = 372,594.99

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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.