Home / 479,799.68-718,783.68-268,799.36

Finding the Fourth Proportional to 479,799.68, 718,783.68 and 268,799.36

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Solution

The fourth proportional to 479,799.68, 718,783.68 and 268,799.36 is: 402,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,799.68 : 718,783.68 = 268,799.36 : x
  2. Step 2: Convert to fraction form
    479,799.68/718,783.68 = 268,799.36/x
  3. Step 3: Cross multiply
    479,799.68x = 718,783.68 × 268,799.36
  4. Step 4: Simplify right side
    479,799.68x = 193,208,593,162.45
  5. Step 5: Solve for x
    x = 193,208,593,162.45/479,799.68
  6. Step 6: Final answer
    x = 402,685.96

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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.