Home / 992,017.92-1,369,021.44-550,504.96

Finding the Fourth Proportional to 992,017.92, 1,369,021.44 and 550,504.96

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Solution

The fourth proportional to 992,017.92, 1,369,021.44 and 550,504.96 is: 759,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,017.92 : 1,369,021.44 = 550,504.96 : x
  2. Step 2: Convert to fraction form
    992,017.92/1,369,021.44 = 550,504.96/x
  3. Step 3: Cross multiply
    992,017.92x = 1,369,021.44 × 550,504.96
  4. Step 4: Simplify right side
    992,017.92x = 753,653,093,066.34
  5. Step 5: Solve for x
    x = 753,653,093,066.34/992,017.92
  6. Step 6: Final answer
    x = 759,717.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.