Home / 518,806.04-715,945.92-292,451.54

Finding the Fourth Proportional to 518,806.04, 715,945.92 and 292,451.54

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Solution

The fourth proportional to 518,806.04, 715,945.92 and 292,451.54 is: 403,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,806.04 : 715,945.92 = 292,451.54 : x
  2. Step 2: Convert to fraction form
    518,806.04/715,945.92 = 292,451.54/x
  3. Step 3: Cross multiply
    518,806.04x = 715,945.92 × 292,451.54
  4. Step 4: Simplify right side
    518,806.04x = 209,379,486,860.72
  5. Step 5: Solve for x
    x = 209,379,486,860.72/518,806.04
  6. Step 6: Final answer
    x = 403,579.51

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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.