Home / 756,491.32-1,135,081.40-283,213.52

Finding the Fourth Proportional to 756,491.32, 1,135,081.40 and 283,213.52

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Solution

The fourth proportional to 756,491.32, 1,135,081.40 and 283,213.52 is: 424,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,491.32 : 1,135,081.40 = 283,213.52 : x
  2. Step 2: Convert to fraction form
    756,491.32/1,135,081.40 = 283,213.52/x
  3. Step 3: Cross multiply
    756,491.32x = 1,135,081.40 × 283,213.52
  4. Step 4: Simplify right side
    756,491.32x = 321,470,398,780.53
  5. Step 5: Solve for x
    x = 321,470,398,780.53/756,491.32
  6. Step 6: Final answer
    x = 424,949.22

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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.