Home / 869,820.94-1,304,918.79-262,558.38

Finding the Fourth Proportional to 869,820.94, 1,304,918.79 and 262,558.38

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Solution

The fourth proportional to 869,820.94, 1,304,918.79 and 262,558.38 is: 393,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,820.94 : 1,304,918.79 = 262,558.38 : x
  2. Step 2: Convert to fraction form
    869,820.94/1,304,918.79 = 262,558.38/x
  3. Step 3: Cross multiply
    869,820.94x = 1,304,918.79 × 262,558.38
  4. Step 4: Simplify right side
    869,820.94x = 342,617,362,221.17
  5. Step 5: Solve for x
    x = 342,617,362,221.17/869,820.94
  6. Step 6: Final answer
    x = 393,894.13

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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.