Home / 890,233.79-1,335,352.35-216,315.66

Finding the Fourth Proportional to 890,233.79, 1,335,352.35 and 216,315.66

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Solution

The fourth proportional to 890,233.79, 1,335,352.35 and 216,315.66 is: 324,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,233.79 : 1,335,352.35 = 216,315.66 : x
  2. Step 2: Convert to fraction form
    890,233.79/1,335,352.35 = 216,315.66/x
  3. Step 3: Cross multiply
    890,233.79x = 1,335,352.35 × 216,315.66
  4. Step 4: Simplify right side
    890,233.79x = 288,857,624,922.80
  5. Step 5: Solve for x
    x = 288,857,624,922.80/890,233.79
  6. Step 6: Final answer
    x = 324,473.90

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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.