Home / 828,583.11-1,242,875.88-252,211.41

Finding the Fourth Proportional to 828,583.11, 1,242,875.88 and 252,211.41

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Solution

The fourth proportional to 828,583.11, 1,242,875.88 and 252,211.41 is: 378,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,583.11 : 1,242,875.88 = 252,211.41 : x
  2. Step 2: Convert to fraction form
    828,583.11/1,242,875.88 = 252,211.41/x
  3. Step 3: Cross multiply
    828,583.11x = 1,242,875.88 × 252,211.41
  4. Step 4: Simplify right side
    828,583.11x = 313,467,478,149.79
  5. Step 5: Solve for x
    x = 313,467,478,149.79/828,583.11
  6. Step 6: Final answer
    x = 378,317.48

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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.