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Finding the Fourth Proportional to 410,000.40, 615,000.60 and 396,222.30

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Solution

The fourth proportional to 410,000.40, 615,000.60 and 396,222.30 is: 594,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,000.40 : 615,000.60 = 396,222.30 : x
  2. Step 2: Convert to fraction form
    410,000.40/615,000.60 = 396,222.30/x
  3. Step 3: Cross multiply
    410,000.40x = 615,000.60 × 396,222.30
  4. Step 4: Simplify right side
    410,000.40x = 243,676,952,233.38
  5. Step 5: Solve for x
    x = 243,676,952,233.38/410,000.40
  6. Step 6: Final answer
    x = 594,333.45

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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.