Home / 890,228.30-1,335,344.12-216,310.17

Finding the Fourth Proportional to 890,228.30, 1,335,344.12 and 216,310.17

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Solution

The fourth proportional to 890,228.30, 1,335,344.12 and 216,310.17 is: 324,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,228.30 : 1,335,344.12 = 216,310.17 : x
  2. Step 2: Convert to fraction form
    890,228.30/1,335,344.12 = 216,310.17/x
  3. Step 3: Cross multiply
    890,228.30x = 1,335,344.12 × 216,310.17
  4. Step 4: Simplify right side
    890,228.30x = 288,848,518,951.23
  5. Step 5: Solve for x
    x = 288,848,518,951.23/890,228.30
  6. Step 6: Final answer
    x = 324,465.67

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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.