Home / 479,770.68-718,740.18-268,770.36

Finding the Fourth Proportional to 479,770.68, 718,740.18 and 268,770.36

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Solution

The fourth proportional to 479,770.68, 718,740.18 and 268,770.36 is: 402,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,770.68 : 718,740.18 = 268,770.36 : x
  2. Step 2: Convert to fraction form
    479,770.68/718,740.18 = 268,770.36/x
  3. Step 3: Cross multiply
    479,770.68x = 718,740.18 × 268,770.36
  4. Step 4: Simplify right side
    479,770.68x = 193,176,056,925.07
  5. Step 5: Solve for x
    x = 193,176,056,925.07/479,770.68
  6. Step 6: Final answer
    x = 402,642.48

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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.