Home / 648,831.60-973,247.40-228,052.80

Finding the Fourth Proportional to 648,831.60, 973,247.40 and 228,052.80

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Solution

The fourth proportional to 648,831.60, 973,247.40 and 228,052.80 is: 342,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,831.60 : 973,247.40 = 228,052.80 : x
  2. Step 2: Convert to fraction form
    648,831.60/973,247.40 = 228,052.80/x
  3. Step 3: Cross multiply
    648,831.60x = 973,247.40 × 228,052.80
  4. Step 4: Simplify right side
    648,831.60x = 221,951,794,662.72
  5. Step 5: Solve for x
    x = 221,951,794,662.72/648,831.60
  6. Step 6: Final answer
    x = 342,079.20

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Similar ratio
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1.5x scale

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.