Home / 548,683.20-757,212.24-306,951.36

Finding the Fourth Proportional to 548,683.20, 757,212.24 and 306,951.36

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Solution

The fourth proportional to 548,683.20, 757,212.24 and 306,951.36 is: 423,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,683.20 : 757,212.24 = 306,951.36 : x
  2. Step 2: Convert to fraction form
    548,683.20/757,212.24 = 306,951.36/x
  3. Step 3: Cross multiply
    548,683.20x = 757,212.24 × 306,951.36
  4. Step 4: Simplify right side
    548,683.20x = 232,427,326,876.65
  5. Step 5: Solve for x
    x = 232,427,326,876.65/548,683.20
  6. Step 6: Final answer
    x = 423,609.34

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1.5x scale

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.