Home / 733,812.20-1,100,718.30-438,900.20

Finding the Fourth Proportional to 733,812.20, 1,100,718.30 and 438,900.20

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Solution

The fourth proportional to 733,812.20, 1,100,718.30 and 438,900.20 is: 658,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,812.20 : 1,100,718.30 = 438,900.20 : x
  2. Step 2: Convert to fraction form
    733,812.20/1,100,718.30 = 438,900.20/x
  3. Step 3: Cross multiply
    733,812.20x = 1,100,718.30 × 438,900.20
  4. Step 4: Simplify right side
    733,812.20x = 483,105,482,013.66
  5. Step 5: Solve for x
    x = 483,105,482,013.66/733,812.20
  6. Step 6: Final answer
    x = 658,350.30

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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.