Home / 439,320.28-606,255.42-248,326.96

Finding the Fourth Proportional to 439,320.28, 606,255.42 and 248,326.96

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Solution

The fourth proportional to 439,320.28, 606,255.42 and 248,326.96 is: 342,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,320.28 : 606,255.42 = 248,326.96 : x
  2. Step 2: Convert to fraction form
    439,320.28/606,255.42 = 248,326.96/x
  3. Step 3: Cross multiply
    439,320.28x = 606,255.42 × 248,326.96
  4. Step 4: Simplify right side
    439,320.28x = 150,549,565,432.12
  5. Step 5: Solve for x
    x = 150,549,565,432.12/439,320.28
  6. Step 6: Final answer
    x = 342,687.49

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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.