Home / 992,857.73-1,489,096.12-385,645.37

Finding the Fourth Proportional to 992,857.73, 1,489,096.12 and 385,645.37

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Solution

The fourth proportional to 992,857.73, 1,489,096.12 and 385,645.37 is: 578,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,857.73 : 1,489,096.12 = 385,645.37 : x
  2. Step 2: Convert to fraction form
    992,857.73/1,489,096.12 = 385,645.37/x
  3. Step 3: Cross multiply
    992,857.73x = 1,489,096.12 × 385,645.37
  4. Step 4: Simplify right side
    992,857.73x = 574,263,024,162.97
  5. Step 5: Solve for x
    x = 574,263,024,162.97/992,857.73
  6. Step 6: Final answer
    x = 578,394.07

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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.