Home / 871,455.48-1,202,582.37-484,269.60

Finding the Fourth Proportional to 871,455.48, 1,202,582.37 and 484,269.60

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Solution

The fourth proportional to 871,455.48, 1,202,582.37 and 484,269.60 is: 668,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,455.48 : 1,202,582.37 = 484,269.60 : x
  2. Step 2: Convert to fraction form
    871,455.48/1,202,582.37 = 484,269.60/x
  3. Step 3: Cross multiply
    871,455.48x = 1,202,582.37 × 484,269.60
  4. Step 4: Simplify right side
    871,455.48x = 582,374,083,286.95
  5. Step 5: Solve for x
    x = 582,374,083,286.95/871,455.48
  6. Step 6: Final answer
    x = 668,277.49

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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.