Home / 694,301.60-1,041,452.40-221,034.80

Finding the Fourth Proportional to 694,301.60, 1,041,452.40 and 221,034.80

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Solution

The fourth proportional to 694,301.60, 1,041,452.40 and 221,034.80 is: 331,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,301.60 : 1,041,452.40 = 221,034.80 : x
  2. Step 2: Convert to fraction form
    694,301.60/1,041,452.40 = 221,034.80/x
  3. Step 3: Cross multiply
    694,301.60x = 1,041,452.40 × 221,034.80
  4. Step 4: Simplify right side
    694,301.60x = 230,197,222,943.52
  5. Step 5: Solve for x
    x = 230,197,222,943.52/694,301.60
  6. Step 6: Final answer
    x = 331,552.20

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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.