Home / 808,525.60-1,213,663.20-454,231.60

Finding the Fourth Proportional to 808,525.60, 1,213,663.20 and 454,231.60

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Solution

The fourth proportional to 808,525.60, 1,213,663.20 and 454,231.60 is: 681,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,525.60 : 1,213,663.20 = 454,231.60 : x
  2. Step 2: Convert to fraction form
    808,525.60/1,213,663.20 = 454,231.60/x
  3. Step 3: Cross multiply
    808,525.60x = 1,213,663.20 × 454,231.60
  4. Step 4: Simplify right side
    808,525.60x = 551,284,177,197.12
  5. Step 5: Solve for x
    x = 551,284,177,197.12/808,525.60
  6. Step 6: Final answer
    x = 681,838.86

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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.