Home / 889,561.59-1,334,330.41-215,648.70

Finding the Fourth Proportional to 889,561.59, 1,334,330.41 and 215,648.70

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Solution

The fourth proportional to 889,561.59, 1,334,330.41 and 215,648.70 is: 323,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,561.59 : 1,334,330.41 = 215,648.70 : x
  2. Step 2: Convert to fraction form
    889,561.59/1,334,330.41 = 215,648.70/x
  3. Step 3: Cross multiply
    889,561.59x = 1,334,330.41 × 215,648.70
  4. Step 4: Simplify right side
    889,561.59x = 287,746,618,286.97
  5. Step 5: Solve for x
    x = 287,746,618,286.97/889,561.59
  6. Step 6: Final answer
    x = 323,470.15

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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.