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Finding the Fourth Proportional to 501,642.75, 692,040.92 and 297,702.26

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Solution

The fourth proportional to 501,642.75, 692,040.92 and 297,702.26 is: 410,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,642.75 : 692,040.92 = 297,702.26 : x
  2. Step 2: Convert to fraction form
    501,642.75/692,040.92 = 297,702.26/x
  3. Step 3: Cross multiply
    501,642.75x = 692,040.92 × 297,702.26
  4. Step 4: Simplify right side
    501,642.75x = 206,022,140,947.76
  5. Step 5: Solve for x
    x = 206,022,140,947.76/501,642.75
  6. Step 6: Final answer
    x = 410,694.94

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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.