Home / 890,758.40-1,336,137.60-330,011.60

Finding the Fourth Proportional to 890,758.40, 1,336,137.60 and 330,011.60

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Solution

The fourth proportional to 890,758.40, 1,336,137.60 and 330,011.60 is: 495,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,758.40 : 1,336,137.60 = 330,011.60 : x
  2. Step 2: Convert to fraction form
    890,758.40/1,336,137.60 = 330,011.60/x
  3. Step 3: Cross multiply
    890,758.40x = 1,336,137.60 × 330,011.60
  4. Step 4: Simplify right side
    890,758.40x = 440,940,907,196.16
  5. Step 5: Solve for x
    x = 440,940,907,196.16/890,758.40
  6. Step 6: Final answer
    x = 495,017.40

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Similar ratio
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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.