Home / 479,014.17-718,521.21-268,668.51

Finding the Fourth Proportional to 479,014.17, 718,521.21 and 268,668.51

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Solution

The fourth proportional to 479,014.17, 718,521.21 and 268,668.51 is: 403,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,014.17 : 718,521.21 = 268,668.51 : x
  2. Step 2: Convert to fraction form
    479,014.17/718,521.21 = 268,668.51/x
  3. Step 3: Cross multiply
    479,014.17x = 718,521.21 × 268,668.51
  4. Step 4: Simplify right side
    479,014.17x = 193,044,022,894.10
  5. Step 5: Solve for x
    x = 193,044,022,894.10/479,014.17
  6. Step 6: Final answer
    x = 403,002.74

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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.