Home / 439,351.20-606,330.72-248,382.36

Finding the Fourth Proportional to 439,351.20, 606,330.72 and 248,382.36

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Solution

The fourth proportional to 439,351.20, 606,330.72 and 248,382.36 is: 342,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,351.20 : 606,330.72 = 248,382.36 : x
  2. Step 2: Convert to fraction form
    439,351.20/606,330.72 = 248,382.36/x
  3. Step 3: Cross multiply
    439,351.20x = 606,330.72 × 248,382.36
  4. Step 4: Simplify right side
    439,351.20x = 150,601,855,174.10
  5. Step 5: Solve for x
    x = 150,601,855,174.10/439,351.20
  6. Step 6: Final answer
    x = 342,782.39

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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.