Home / 890,228.58-1,335,344.55-216,310.46

Finding the Fourth Proportional to 890,228.58, 1,335,344.55 and 216,310.46

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Solution

The fourth proportional to 890,228.58, 1,335,344.55 and 216,310.46 is: 324,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,228.58 : 1,335,344.55 = 216,310.46 : x
  2. Step 2: Convert to fraction form
    890,228.58/1,335,344.55 = 216,310.46/x
  3. Step 3: Cross multiply
    890,228.58x = 1,335,344.55 × 216,310.46
  4. Step 4: Simplify right side
    890,228.58x = 288,848,986,381.11
  5. Step 5: Solve for x
    x = 288,848,986,381.11/890,228.58
  6. Step 6: Final answer
    x = 324,466.09

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Double scale
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Similar ratio
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1.5x scale

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.