Home / 992,760.73-1,487,832.49-393,394.93

Finding the Fourth Proportional to 992,760.73, 1,487,832.49 and 393,394.93

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Solution

The fourth proportional to 992,760.73, 1,487,832.49 and 393,394.93 is: 589,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,760.73 : 1,487,832.49 = 393,394.93 : x
  2. Step 2: Convert to fraction form
    992,760.73/1,487,832.49 = 393,394.93/x
  3. Step 3: Cross multiply
    992,760.73x = 1,487,832.49 × 393,394.93
  4. Step 4: Simplify right side
    992,760.73x = 585,305,758,255.28
  5. Step 5: Solve for x
    x = 585,305,758,255.28/992,760.73
  6. Step 6: Final answer
    x = 589,573.84

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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.