Home / 605,630.20-908,226.60-306,011.20

Finding the Fourth Proportional to 605,630.20, 908,226.60 and 306,011.20

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Solution

The fourth proportional to 605,630.20, 908,226.60 and 306,011.20 is: 458,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,630.20 : 908,226.60 = 306,011.20 : x
  2. Step 2: Convert to fraction form
    605,630.20/908,226.60 = 306,011.20/x
  3. Step 3: Cross multiply
    605,630.20x = 908,226.60 × 306,011.20
  4. Step 4: Simplify right side
    605,630.20x = 277,927,511,737.92
  5. Step 5: Solve for x
    x = 277,927,511,737.92/605,630.20
  6. Step 6: Final answer
    x = 458,906.30

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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.