Home / 871,798.32-1,203,618.42-691,239.60

Finding the Fourth Proportional to 871,798.32, 1,203,618.42 and 691,239.60

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Solution

The fourth proportional to 871,798.32, 1,203,618.42 and 691,239.60 is: 954,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,798.32 : 1,203,618.42 = 691,239.60 : x
  2. Step 2: Convert to fraction form
    871,798.32/1,203,618.42 = 691,239.60/x
  3. Step 3: Cross multiply
    871,798.32x = 1,203,618.42 × 691,239.60
  4. Step 4: Simplify right side
    871,798.32x = 831,988,715,193.43
  5. Step 5: Solve for x
    x = 831,988,715,193.43/871,798.32
  6. Step 6: Final answer
    x = 954,336.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.