Home / 790,704.50-1,090,356.62-676,361.65

Finding the Fourth Proportional to 790,704.50, 1,090,356.62 and 676,361.65

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Solution

The fourth proportional to 790,704.50, 1,090,356.62 and 676,361.65 is: 932,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,704.50 : 1,090,356.62 = 676,361.65 : x
  2. Step 2: Convert to fraction form
    790,704.50/1,090,356.62 = 676,361.65/x
  3. Step 3: Cross multiply
    790,704.50x = 1,090,356.62 × 676,361.65
  4. Step 4: Simplify right side
    790,704.50x = 737,475,393,758.03
  5. Step 5: Solve for x
    x = 737,475,393,758.03/790,704.50
  6. Step 6: Final answer
    x = 932,681.42

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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.