Home / 855,861.80-1,283,447.10-294,607.40

Finding the Fourth Proportional to 855,861.80, 1,283,447.10 and 294,607.40

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Solution

The fourth proportional to 855,861.80, 1,283,447.10 and 294,607.40 is: 441,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,861.80 : 1,283,447.10 = 294,607.40 : x
  2. Step 2: Convert to fraction form
    855,861.80/1,283,447.10 = 294,607.40/x
  3. Step 3: Cross multiply
    855,861.80x = 1,283,447.10 × 294,607.40
  4. Step 4: Simplify right side
    855,861.80x = 378,113,013,168.54
  5. Step 5: Solve for x
    x = 378,113,013,168.54/855,861.80
  6. Step 6: Final answer
    x = 441,792.14

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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.