Home / 690,429.18-952,791.34-404,004.48

Finding the Fourth Proportional to 690,429.18, 952,791.34 and 404,004.48

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Solution

The fourth proportional to 690,429.18, 952,791.34 and 404,004.48 is: 557,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,429.18 : 952,791.34 = 404,004.48 : x
  2. Step 2: Convert to fraction form
    690,429.18/952,791.34 = 404,004.48/x
  3. Step 3: Cross multiply
    690,429.18x = 952,791.34 × 404,004.48
  4. Step 4: Simplify right side
    690,429.18x = 384,931,969,865.20
  5. Step 5: Solve for x
    x = 384,931,969,865.20/690,429.18
  6. Step 6: Final answer
    x = 557,525.64

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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.