Home / 726,644.68-1,090,041.34-277,743.40

Finding the Fourth Proportional to 726,644.68, 1,090,041.34 and 277,743.40

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Solution

The fourth proportional to 726,644.68, 1,090,041.34 and 277,743.40 is: 416,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,644.68 : 1,090,041.34 = 277,743.40 : x
  2. Step 2: Convert to fraction form
    726,644.68/1,090,041.34 = 277,743.40/x
  3. Step 3: Cross multiply
    726,644.68x = 1,090,041.34 × 277,743.40
  4. Step 4: Simplify right side
    726,644.68x = 302,751,787,912.16
  5. Step 5: Solve for x
    x = 302,751,787,912.16/726,644.68
  6. Step 6: Final answer
    x = 416,643.51

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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.