Home / 857,276.20-1,285,967.76-226,190.62

Finding the Fourth Proportional to 857,276.20, 1,285,967.76 and 226,190.62

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Solution

The fourth proportional to 857,276.20, 1,285,967.76 and 226,190.62 is: 339,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,276.20 : 1,285,967.76 = 226,190.62 : x
  2. Step 2: Convert to fraction form
    857,276.20/1,285,967.76 = 226,190.62/x
  3. Step 3: Cross multiply
    857,276.20x = 1,285,967.76 × 226,190.62
  4. Step 4: Simplify right side
    857,276.20x = 290,873,844,934.41
  5. Step 5: Solve for x
    x = 290,873,844,934.41/857,276.20
  6. Step 6: Final answer
    x = 339,300.04

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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.