Home / 470,989.60-649,982.69-269,824.48

Finding the Fourth Proportional to 470,989.60, 649,982.69 and 269,824.48

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Solution

The fourth proportional to 470,989.60, 649,982.69 and 269,824.48 is: 372,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,989.60 : 649,982.69 = 269,824.48 : x
  2. Step 2: Convert to fraction form
    470,989.60/649,982.69 = 269,824.48/x
  3. Step 3: Cross multiply
    470,989.60x = 649,982.69 × 269,824.48
  4. Step 4: Simplify right side
    470,989.60x = 175,381,241,338.25
  5. Step 5: Solve for x
    x = 175,381,241,338.25/470,989.60
  6. Step 6: Final answer
    x = 372,367.55

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1.5x scale

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.