Home / 683,963.11-1,025,581.75-342,032.51

Finding the Fourth Proportional to 683,963.11, 1,025,581.75 and 342,032.51

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Solution

The fourth proportional to 683,963.11, 1,025,581.75 and 342,032.51 is: 512,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,963.11 : 1,025,581.75 = 342,032.51 : x
  2. Step 2: Convert to fraction form
    683,963.11/1,025,581.75 = 342,032.51/x
  3. Step 3: Cross multiply
    683,963.11x = 1,025,581.75 × 342,032.51
  4. Step 4: Simplify right side
    683,963.11x = 350,782,300,162.69
  5. Step 5: Solve for x
    x = 350,782,300,162.69/683,963.11
  6. Step 6: Final answer
    x = 512,867.28

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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.