Home / 519,417.90-779,028.44-182,379.33

Finding the Fourth Proportional to 519,417.90, 779,028.44 and 182,379.33

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Solution

The fourth proportional to 519,417.90, 779,028.44 and 182,379.33 is: 273,534.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,417.90 : 779,028.44 = 182,379.33 : x
  2. Step 2: Convert to fraction form
    519,417.90/779,028.44 = 182,379.33/x
  3. Step 3: Cross multiply
    519,417.90x = 779,028.44 × 182,379.33
  4. Step 4: Simplify right side
    519,417.90x = 142,078,684,026.25
  5. Step 5: Solve for x
    x = 142,078,684,026.25/519,417.90
  6. Step 6: Final answer
    x = 273,534.44

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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.