Home / 926,674.40-1,390,011.60-327,630.80

Finding the Fourth Proportional to 926,674.40, 1,390,011.60 and 327,630.80

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Solution

The fourth proportional to 926,674.40, 1,390,011.60 and 327,630.80 is: 491,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,674.40 : 1,390,011.60 = 327,630.80 : x
  2. Step 2: Convert to fraction form
    926,674.40/1,390,011.60 = 327,630.80/x
  3. Step 3: Cross multiply
    926,674.40x = 1,390,011.60 × 327,630.80
  4. Step 4: Simplify right side
    926,674.40x = 455,410,612,517.28
  5. Step 5: Solve for x
    x = 455,410,612,517.28/926,674.40
  6. Step 6: Final answer
    x = 491,446.20

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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.