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Finding the Fourth Proportional to 410,250.80, 615,376.20 and 298,276.40

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Solution

The fourth proportional to 410,250.80, 615,376.20 and 298,276.40 is: 447,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,250.80 : 615,376.20 = 298,276.40 : x
  2. Step 2: Convert to fraction form
    410,250.80/615,376.20 = 298,276.40/x
  3. Step 3: Cross multiply
    410,250.80x = 615,376.20 × 298,276.40
  4. Step 4: Simplify right side
    410,250.80x = 183,552,197,581.68
  5. Step 5: Solve for x
    x = 183,552,197,581.68/410,250.80
  6. Step 6: Final answer
    x = 447,414.60

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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.