Home / 926,007.80-1,387,974.90-526,839.80

Finding the Fourth Proportional to 926,007.80, 1,387,974.90 and 526,839.80

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Solution

The fourth proportional to 926,007.80, 1,387,974.90 and 526,839.80 is: 789,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,007.80 : 1,387,974.90 = 526,839.80 : x
  2. Step 2: Convert to fraction form
    926,007.80/1,387,974.90 = 526,839.80/x
  3. Step 3: Cross multiply
    926,007.80x = 1,387,974.90 × 526,839.80
  4. Step 4: Simplify right side
    926,007.80x = 731,240,418,721.02
  5. Step 5: Solve for x
    x = 731,240,418,721.02/926,007.80
  6. Step 6: Final answer
    x = 789,669.83

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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.