Home / 718,896.20-1,078,568.03-213,459.83

Finding the Fourth Proportional to 718,896.20, 1,078,568.03 and 213,459.83

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Solution

The fourth proportional to 718,896.20, 1,078,568.03 and 213,459.83 is: 320,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,896.20 : 1,078,568.03 = 213,459.83 : x
  2. Step 2: Convert to fraction form
    718,896.20/1,078,568.03 = 213,459.83/x
  3. Step 3: Cross multiply
    718,896.20x = 1,078,568.03 × 213,459.83
  4. Step 4: Simplify right side
    718,896.20x = 230,230,941,867.10
  5. Step 5: Solve for x
    x = 230,230,941,867.10/718,896.20
  6. Step 6: Final answer
    x = 320,256.17

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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.