Home / 889,179.15-1,333,772.13-215,259.39

Finding the Fourth Proportional to 889,179.15, 1,333,772.13 and 215,259.39

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Solution

The fourth proportional to 889,179.15, 1,333,772.13 and 215,259.39 is: 322,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,179.15 : 1,333,772.13 = 215,259.39 : x
  2. Step 2: Convert to fraction form
    889,179.15/1,333,772.13 = 215,259.39/x
  3. Step 3: Cross multiply
    889,179.15x = 1,333,772.13 × 215,259.39
  4. Step 4: Simplify right side
    889,179.15x = 287,106,968,433.94
  5. Step 5: Solve for x
    x = 287,106,968,433.94/889,179.15
  6. Step 6: Final answer
    x = 322,889.90

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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.