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Finding the Fourth Proportional to 826,855.80, 1,240,210.80 and 227,763.60

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Solution

The fourth proportional to 826,855.80, 1,240,210.80 and 227,763.60 is: 341,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,855.80 : 1,240,210.80 = 227,763.60 : x
  2. Step 2: Convert to fraction form
    826,855.80/1,240,210.80 = 227,763.60/x
  3. Step 3: Cross multiply
    826,855.80x = 1,240,210.80 × 227,763.60
  4. Step 4: Simplify right side
    826,855.80x = 282,474,876,566.88
  5. Step 5: Solve for x
    x = 282,474,876,566.88/826,855.80
  6. Step 6: Final answer
    x = 341,625.32

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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.