Home / 423,275.22-584,146.05-279,786.42

Finding the Fourth Proportional to 423,275.22, 584,146.05 and 279,786.42

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Solution

The fourth proportional to 423,275.22, 584,146.05 and 279,786.42 is: 386,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,275.22 : 584,146.05 = 279,786.42 : x
  2. Step 2: Convert to fraction form
    423,275.22/584,146.05 = 279,786.42/x
  3. Step 3: Cross multiply
    423,275.22x = 584,146.05 × 279,786.42
  4. Step 4: Simplify right side
    423,275.22x = 163,436,132,086.64
  5. Step 5: Solve for x
    x = 163,436,132,086.64/423,275.22
  6. Step 6: Final answer
    x = 386,122.61

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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.