Home / 688,745.25-1,033,128.25-262,304.65

Finding the Fourth Proportional to 688,745.25, 1,033,128.25 and 262,304.65

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Solution

The fourth proportional to 688,745.25, 1,033,128.25 and 262,304.65 is: 393,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,745.25 : 1,033,128.25 = 262,304.65 : x
  2. Step 2: Convert to fraction form
    688,745.25/1,033,128.25 = 262,304.65/x
  3. Step 3: Cross multiply
    688,745.25x = 1,033,128.25 × 262,304.65
  4. Step 4: Simplify right side
    688,745.25x = 270,994,344,021.36
  5. Step 5: Solve for x
    x = 270,994,344,021.36/688,745.25
  6. Step 6: Final answer
    x = 393,460.93

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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.