Home / 992,763.73-1,487,836.99-393,397.93

Finding the Fourth Proportional to 992,763.73, 1,487,836.99 and 393,397.93

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Solution

The fourth proportional to 992,763.73, 1,487,836.99 and 393,397.93 is: 589,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,763.73 : 1,487,836.99 = 393,397.93 : x
  2. Step 2: Convert to fraction form
    992,763.73/1,487,836.99 = 393,397.93/x
  3. Step 3: Cross multiply
    992,763.73x = 1,487,836.99 × 393,397.93
  4. Step 4: Simplify right side
    992,763.73x = 585,311,992,043.43
  5. Step 5: Solve for x
    x = 585,311,992,043.43/992,763.73
  6. Step 6: Final answer
    x = 589,578.34

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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.