Home / 693,465.60-1,040,198.40-483,340.80

Finding the Fourth Proportional to 693,465.60, 1,040,198.40 and 483,340.80

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Solution

The fourth proportional to 693,465.60, 1,040,198.40 and 483,340.80 is: 725,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,465.60 : 1,040,198.40 = 483,340.80 : x
  2. Step 2: Convert to fraction form
    693,465.60/1,040,198.40 = 483,340.80/x
  3. Step 3: Cross multiply
    693,465.60x = 1,040,198.40 × 483,340.80
  4. Step 4: Simplify right side
    693,465.60x = 502,770,326,814.72
  5. Step 5: Solve for x
    x = 502,770,326,814.72/693,465.60
  6. Step 6: Final answer
    x = 725,011.20

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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.