Home / 617,067.48-851,301.90-402,129.24

Finding the Fourth Proportional to 617,067.48, 851,301.90 and 402,129.24

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Solution

The fourth proportional to 617,067.48, 851,301.90 and 402,129.24 is: 554,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,067.48 : 851,301.90 = 402,129.24 : x
  2. Step 2: Convert to fraction form
    617,067.48/851,301.90 = 402,129.24/x
  3. Step 3: Cross multiply
    617,067.48x = 851,301.90 × 402,129.24
  4. Step 4: Simplify right side
    617,067.48x = 342,333,386,057.56
  5. Step 5: Solve for x
    x = 342,333,386,057.56/617,067.48
  6. Step 6: Final answer
    x = 554,774.64

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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.