Home / 830,760.60-1,246,362.41-298,286.24

Finding the Fourth Proportional to 830,760.60, 1,246,362.41 and 298,286.24

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Solution

The fourth proportional to 830,760.60, 1,246,362.41 and 298,286.24 is: 447,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,760.60 : 1,246,362.41 = 298,286.24 : x
  2. Step 2: Convert to fraction form
    830,760.60/1,246,362.41 = 298,286.24/x
  3. Step 3: Cross multiply
    830,760.60x = 1,246,362.41 × 298,286.24
  4. Step 4: Simplify right side
    830,760.60x = 371,772,750,724.43
  5. Step 5: Solve for x
    x = 371,772,750,724.43/830,760.60
  6. Step 6: Final answer
    x = 447,508.89

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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.