Home / 878,672.49-1,317,504.06-345,902.82

Finding the Fourth Proportional to 878,672.49, 1,317,504.06 and 345,902.82

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Solution

The fourth proportional to 878,672.49, 1,317,504.06 and 345,902.82 is: 518,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,672.49 : 1,317,504.06 = 345,902.82 : x
  2. Step 2: Convert to fraction form
    878,672.49/1,317,504.06 = 345,902.82/x
  3. Step 3: Cross multiply
    878,672.49x = 1,317,504.06 × 345,902.82
  4. Step 4: Simplify right side
    878,672.49x = 455,728,369,715.45
  5. Step 5: Solve for x
    x = 455,728,369,715.45/878,672.49
  6. Step 6: Final answer
    x = 518,655.56

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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.