Home / 987,535.80-1,362,883.32-557,894.79

Finding the Fourth Proportional to 987,535.80, 1,362,883.32 and 557,894.79

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Solution

The fourth proportional to 987,535.80, 1,362,883.32 and 557,894.79 is: 769,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,535.80 : 1,362,883.32 = 557,894.79 : x
  2. Step 2: Convert to fraction form
    987,535.80/1,362,883.32 = 557,894.79/x
  3. Step 3: Cross multiply
    987,535.80x = 1,362,883.32 × 557,894.79
  4. Step 4: Simplify right side
    987,535.80x = 760,345,503,605.90
  5. Step 5: Solve for x
    x = 760,345,503,605.90/987,535.80
  6. Step 6: Final answer
    x = 769,942.22

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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.