Home / 479,314.80-718,972.20-268,925.40

Finding the Fourth Proportional to 479,314.80, 718,972.20 and 268,925.40

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Solution

The fourth proportional to 479,314.80, 718,972.20 and 268,925.40 is: 403,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,314.80 : 718,972.20 = 268,925.40 : x
  2. Step 2: Convert to fraction form
    479,314.80/718,972.20 = 268,925.40/x
  3. Step 3: Cross multiply
    479,314.80x = 718,972.20 × 268,925.40
  4. Step 4: Simplify right side
    479,314.80x = 193,349,886,473.88
  5. Step 5: Solve for x
    x = 193,349,886,473.88/479,314.80
  6. Step 6: Final answer
    x = 403,388.10

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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.