Home / 874,193.12-1,310,957.49-418,316.37

Finding the Fourth Proportional to 874,193.12, 1,310,957.49 and 418,316.37

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Solution

The fourth proportional to 874,193.12, 1,310,957.49 and 418,316.37 is: 627,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,193.12 : 1,310,957.49 = 418,316.37 : x
  2. Step 2: Convert to fraction form
    874,193.12/1,310,957.49 = 418,316.37/x
  3. Step 3: Cross multiply
    874,193.12x = 1,310,957.49 × 418,316.37
  4. Step 4: Simplify right side
    874,193.12x = 548,394,978,441.11
  5. Step 5: Solve for x
    x = 548,394,978,441.11/874,193.12
  6. Step 6: Final answer
    x = 627,315.60

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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.