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Finding the Fourth Proportional to 693,648.40, 1,040,213.40 and 482,659.60

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Solution

The fourth proportional to 693,648.40, 1,040,213.40 and 482,659.60 is: 723,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,648.40 : 1,040,213.40 = 482,659.60 : x
  2. Step 2: Convert to fraction form
    693,648.40/1,040,213.40 = 482,659.60/x
  3. Step 3: Cross multiply
    693,648.40x = 1,040,213.40 × 482,659.60
  4. Step 4: Simplify right side
    693,648.40x = 502,068,983,558.64
  5. Step 5: Solve for x
    x = 502,068,983,558.64/693,648.40
  6. Step 6: Final answer
    x = 723,809.04

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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.