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Finding the Fourth Proportional to 526,625.26, 726,741 and 284,907.89

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Solution

The fourth proportional to 526,625.26, 726,741 and 284,907.89 is: 393,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,625.26 : 726,741 = 284,907.89 : x
  2. Step 2: Convert to fraction form
    526,625.26/726,741 = 284,907.89/x
  3. Step 3: Cross multiply
    526,625.26x = 726,741 × 284,907.89
  4. Step 4: Simplify right side
    526,625.26x = 207,054,246,703.34
  5. Step 5: Solve for x
    x = 207,054,246,703.34/526,625.26
  6. Step 6: Final answer
    x = 393,171.89

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1.5x scale

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.