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Finding the Fourth Proportional to 484,756.80, 727,718.40 and 481,257.60

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Solution

The fourth proportional to 484,756.80, 727,718.40 and 481,257.60 is: 722,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,756.80 : 727,718.40 = 481,257.60 : x
  2. Step 2: Convert to fraction form
    484,756.80/727,718.40 = 481,257.60/x
  3. Step 3: Cross multiply
    484,756.80x = 727,718.40 × 481,257.60
  4. Step 4: Simplify right side
    484,756.80x = 350,220,010,659.84
  5. Step 5: Solve for x
    x = 350,220,010,659.84/484,756.80
  6. Step 6: Final answer
    x = 722,465.39

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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.