Home / 519,421.15-779,033.31-182,382.58

Finding the Fourth Proportional to 519,421.15, 779,033.31 and 182,382.58

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Solution

The fourth proportional to 519,421.15, 779,033.31 and 182,382.58 is: 273,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,421.15 : 779,033.31 = 182,382.58 : x
  2. Step 2: Convert to fraction form
    519,421.15/779,033.31 = 182,382.58/x
  3. Step 3: Cross multiply
    519,421.15x = 779,033.31 × 182,382.58
  4. Step 4: Simplify right side
    519,421.15x = 142,082,104,983.74
  5. Step 5: Solve for x
    x = 142,082,104,983.74/519,421.15
  6. Step 6: Final answer
    x = 273,539.31

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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.