Home / 889,346.25-1,334,022.75-215,426.25

Finding the Fourth Proportional to 889,346.25, 1,334,022.75 and 215,426.25

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Solution

The fourth proportional to 889,346.25, 1,334,022.75 and 215,426.25 is: 323,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,346.25 : 1,334,022.75 = 215,426.25 : x
  2. Step 2: Convert to fraction form
    889,346.25/1,334,022.75 = 215,426.25/x
  3. Step 3: Cross multiply
    889,346.25x = 1,334,022.75 × 215,426.25
  4. Step 4: Simplify right side
    889,346.25x = 287,383,518,447.19
  5. Step 5: Solve for x
    x = 287,383,518,447.19/889,346.25
  6. Step 6: Final answer
    x = 323,140.19

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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.