Home / 549,202.97-822,317.69-388,618.85

Finding the Fourth Proportional to 549,202.97, 822,317.69 and 388,618.85

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Solution

The fourth proportional to 549,202.97, 822,317.69 and 388,618.85 is: 581,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,202.97 : 822,317.69 = 388,618.85 : x
  2. Step 2: Convert to fraction form
    549,202.97/822,317.69 = 388,618.85/x
  3. Step 3: Cross multiply
    549,202.97x = 822,317.69 × 388,618.85
  4. Step 4: Simplify right side
    549,202.97x = 319,568,148,967.77
  5. Step 5: Solve for x
    x = 319,568,148,967.77/549,202.97
  6. Step 6: Final answer
    x = 581,876.23

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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.