Home / 731,815.20-1,097,722.80-376,711.20

Finding the Fourth Proportional to 731,815.20, 1,097,722.80 and 376,711.20

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Solution

The fourth proportional to 731,815.20, 1,097,722.80 and 376,711.20 is: 565,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,815.20 : 1,097,722.80 = 376,711.20 : x
  2. Step 2: Convert to fraction form
    731,815.20/1,097,722.80 = 376,711.20/x
  3. Step 3: Cross multiply
    731,815.20x = 1,097,722.80 × 376,711.20
  4. Step 4: Simplify right side
    731,815.20x = 413,524,473,255.36
  5. Step 5: Solve for x
    x = 413,524,473,255.36/731,815.20
  6. Step 6: Final answer
    x = 565,066.80

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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.