Home / 992,441.70-1,489,051.35-393,300.90

Finding the Fourth Proportional to 992,441.70, 1,489,051.35 and 393,300.90

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Solution

The fourth proportional to 992,441.70, 1,489,051.35 and 393,300.90 is: 590,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,441.70 : 1,489,051.35 = 393,300.90 : x
  2. Step 2: Convert to fraction form
    992,441.70/1,489,051.35 = 393,300.90/x
  3. Step 3: Cross multiply
    992,441.70x = 1,489,051.35 × 393,300.90
  4. Step 4: Simplify right side
    992,441.70x = 585,645,236,101.22
  5. Step 5: Solve for x
    x = 585,645,236,101.22/992,441.70
  6. Step 6: Final answer
    x = 590,105.43

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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.