Home / 825,479.54-1,238,011.56-319,867.04

Finding the Fourth Proportional to 825,479.54, 1,238,011.56 and 319,867.04

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Solution

The fourth proportional to 825,479.54, 1,238,011.56 and 319,867.04 is: 479,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,479.54 : 1,238,011.56 = 319,867.04 : x
  2. Step 2: Convert to fraction form
    825,479.54/1,238,011.56 = 319,867.04/x
  3. Step 3: Cross multiply
    825,479.54x = 1,238,011.56 × 319,867.04
  4. Step 4: Simplify right side
    825,479.54x = 395,999,093,182.98
  5. Step 5: Solve for x
    x = 395,999,093,182.98/825,479.54
  6. Step 6: Final answer
    x = 479,720.06

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1.5x scale

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.