Home / 865,620.60-1,298,504.70-226,009.20

Finding the Fourth Proportional to 865,620.60, 1,298,504.70 and 226,009.20

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Solution

The fourth proportional to 865,620.60, 1,298,504.70 and 226,009.20 is: 339,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,620.60 : 1,298,504.70 = 226,009.20 : x
  2. Step 2: Convert to fraction form
    865,620.60/1,298,504.70 = 226,009.20/x
  3. Step 3: Cross multiply
    865,620.60x = 1,298,504.70 × 226,009.20
  4. Step 4: Simplify right side
    865,620.60x = 293,474,008,443.24
  5. Step 5: Solve for x
    x = 293,474,008,443.24/865,620.60
  6. Step 6: Final answer
    x = 339,033.07

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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.