Home / 672,491.77-1,008,729.02-223,419.13

Finding the Fourth Proportional to 672,491.77, 1,008,729.02 and 223,419.13

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Solution

The fourth proportional to 672,491.77, 1,008,729.02 and 223,419.13 is: 335,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,491.77 : 1,008,729.02 = 223,419.13 : x
  2. Step 2: Convert to fraction form
    672,491.77/1,008,729.02 = 223,419.13/x
  3. Step 3: Cross multiply
    672,491.77x = 1,008,729.02 × 223,419.13
  4. Step 4: Simplify right side
    672,491.77x = 225,369,358,937.06
  5. Step 5: Solve for x
    x = 225,369,358,937.06/672,491.77
  6. Step 6: Final answer
    x = 335,125.82

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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.