Home / 925,725.56-1,276,942.66-611,399.32

Finding the Fourth Proportional to 925,725.56, 1,276,942.66 and 611,399.32

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Solution

The fourth proportional to 925,725.56, 1,276,942.66 and 611,399.32 is: 843,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,725.56 : 1,276,942.66 = 611,399.32 : x
  2. Step 2: Convert to fraction form
    925,725.56/1,276,942.66 = 611,399.32/x
  3. Step 3: Cross multiply
    925,725.56x = 1,276,942.66 × 611,399.32
  4. Step 4: Simplify right side
    925,725.56x = 780,721,874,002.99
  5. Step 5: Solve for x
    x = 780,721,874,002.99/925,725.56
  6. Step 6: Final answer
    x = 843,362.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.