Home / 874,644.89-1,311,967.34-500,405.45

Finding the Fourth Proportional to 874,644.89, 1,311,967.34 and 500,405.45

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Solution

The fourth proportional to 874,644.89, 1,311,967.34 and 500,405.45 is: 750,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,644.89 : 1,311,967.34 = 500,405.45 : x
  2. Step 2: Convert to fraction form
    874,644.89/1,311,967.34 = 500,405.45/x
  3. Step 3: Cross multiply
    874,644.89x = 1,311,967.34 × 500,405.45
  4. Step 4: Simplify right side
    874,644.89x = 656,515,598,096.14
  5. Step 5: Solve for x
    x = 656,515,598,096.14/874,644.89
  6. Step 6: Final answer
    x = 750,608.17

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Similar ratio
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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.