Home / 646,246.08-892,049.76-465,065.28

Finding the Fourth Proportional to 646,246.08, 892,049.76 and 465,065.28

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Solution

The fourth proportional to 646,246.08, 892,049.76 and 465,065.28 is: 641,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,246.08 : 892,049.76 = 465,065.28 : x
  2. Step 2: Convert to fraction form
    646,246.08/892,049.76 = 465,065.28/x
  3. Step 3: Cross multiply
    646,246.08x = 892,049.76 × 465,065.28
  4. Step 4: Simplify right side
    646,246.08x = 414,861,371,408.33
  5. Step 5: Solve for x
    x = 414,861,371,408.33/646,246.08
  6. Step 6: Final answer
    x = 641,955.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.