Home / 871,282.78-1,307,056.83-444,585.41

Finding the Fourth Proportional to 871,282.78, 1,307,056.83 and 444,585.41

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Solution

The fourth proportional to 871,282.78, 1,307,056.83 and 444,585.41 is: 666,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,282.78 : 1,307,056.83 = 444,585.41 : x
  2. Step 2: Convert to fraction form
    871,282.78/1,307,056.83 = 444,585.41/x
  3. Step 3: Cross multiply
    871,282.78x = 1,307,056.83 × 444,585.41
  4. Step 4: Simplify right side
    871,282.78x = 581,098,394,608.23
  5. Step 5: Solve for x
    x = 581,098,394,608.23/871,282.78
  6. Step 6: Final answer
    x = 666,945.81

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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.