Home / 445,925.82-615,120.26-284,599.04

Finding the Fourth Proportional to 445,925.82, 615,120.26 and 284,599.04

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Solution

The fourth proportional to 445,925.82, 615,120.26 and 284,599.04 is: 392,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,925.82 : 615,120.26 = 284,599.04 : x
  2. Step 2: Convert to fraction form
    445,925.82/615,120.26 = 284,599.04/x
  3. Step 3: Cross multiply
    445,925.82x = 615,120.26 × 284,599.04
  4. Step 4: Simplify right side
    445,925.82x = 175,062,635,480.55
  5. Step 5: Solve for x
    x = 175,062,635,480.55/445,925.82
  6. Step 6: Final answer
    x = 392,582.42

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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.