Home / 539,899.47-745,067.30-298,176.44

Finding the Fourth Proportional to 539,899.47, 745,067.30 and 298,176.44

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Solution

The fourth proportional to 539,899.47, 745,067.30 and 298,176.44 is: 411,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,899.47 : 745,067.30 = 298,176.44 : x
  2. Step 2: Convert to fraction form
    539,899.47/745,067.30 = 298,176.44/x
  3. Step 3: Cross multiply
    539,899.47x = 745,067.30 × 298,176.44
  4. Step 4: Simplify right side
    539,899.47x = 222,161,509,858.19
  5. Step 5: Solve for x
    x = 222,161,509,858.19/539,899.47
  6. Step 6: Final answer
    x = 411,486.81

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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.