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Finding the Fourth Proportional to 410,026.60, 615,039.90 and 298,052.20

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Solution

The fourth proportional to 410,026.60, 615,039.90 and 298,052.20 is: 447,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,026.60 : 615,039.90 = 298,052.20 : x
  2. Step 2: Convert to fraction form
    410,026.60/615,039.90 = 298,052.20/x
  3. Step 3: Cross multiply
    410,026.60x = 615,039.90 × 298,052.20
  4. Step 4: Simplify right side
    410,026.60x = 183,313,995,282.78
  5. Step 5: Solve for x
    x = 183,313,995,282.78/410,026.60
  6. Step 6: Final answer
    x = 447,078.30

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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.