Home / 899,687.34-1,241,601.93-491,816.88

Finding the Fourth Proportional to 899,687.34, 1,241,601.93 and 491,816.88

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Solution

The fourth proportional to 899,687.34, 1,241,601.93 and 491,816.88 is: 678,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,687.34 : 1,241,601.93 = 491,816.88 : x
  2. Step 2: Convert to fraction form
    899,687.34/1,241,601.93 = 491,816.88/x
  3. Step 3: Cross multiply
    899,687.34x = 1,241,601.93 × 491,816.88
  4. Step 4: Simplify right side
    899,687.34x = 610,640,787,414.58
  5. Step 5: Solve for x
    x = 610,640,787,414.58/899,687.34
  6. Step 6: Final answer
    x = 678,725.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.