Home / 675,519.04-1,013,277.74-320,339.28

Finding the Fourth Proportional to 675,519.04, 1,013,277.74 and 320,339.28

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Solution

The fourth proportional to 675,519.04, 1,013,277.74 and 320,339.28 is: 480,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,519.04 : 1,013,277.74 = 320,339.28 : x
  2. Step 2: Convert to fraction form
    675,519.04/1,013,277.74 = 320,339.28/x
  3. Step 3: Cross multiply
    675,519.04x = 1,013,277.74 × 320,339.28
  4. Step 4: Simplify right side
    675,519.04x = 324,592,661,671.63
  5. Step 5: Solve for x
    x = 324,592,661,671.63/675,519.04
  6. Step 6: Final answer
    x = 480,508.53

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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.