Home / 699,719.40-1,049,708.70-226,420.20

Finding the Fourth Proportional to 699,719.40, 1,049,708.70 and 226,420.20

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Solution

The fourth proportional to 699,719.40, 1,049,708.70 and 226,420.20 is: 339,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,719.40 : 1,049,708.70 = 226,420.20 : x
  2. Step 2: Convert to fraction form
    699,719.40/1,049,708.70 = 226,420.20/x
  3. Step 3: Cross multiply
    699,719.40x = 1,049,708.70 × 226,420.20
  4. Step 4: Simplify right side
    699,719.40x = 237,675,253,795.74
  5. Step 5: Solve for x
    x = 237,675,253,795.74/699,719.40
  6. Step 6: Final answer
    x = 339,672.24

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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.