Home / 887,083.86-1,330,625.64-213,165.16

Finding the Fourth Proportional to 887,083.86, 1,330,625.64 and 213,165.16

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Solution

The fourth proportional to 887,083.86, 1,330,625.64 and 213,165.16 is: 319,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,083.86 : 1,330,625.64 = 213,165.16 : x
  2. Step 2: Convert to fraction form
    887,083.86/1,330,625.64 = 213,165.16/x
  3. Step 3: Cross multiply
    887,083.86x = 1,330,625.64 × 213,165.16
  4. Step 4: Simplify right side
    887,083.86x = 283,643,027,450.70
  5. Step 5: Solve for x
    x = 283,643,027,450.70/887,083.86
  6. Step 6: Final answer
    x = 319,747.70

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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.