Home / 729,147.60-1,093,721.40-329,801.40

Finding the Fourth Proportional to 729,147.60, 1,093,721.40 and 329,801.40

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Solution

The fourth proportional to 729,147.60, 1,093,721.40 and 329,801.40 is: 494,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,147.60 : 1,093,721.40 = 329,801.40 : x
  2. Step 2: Convert to fraction form
    729,147.60/1,093,721.40 = 329,801.40/x
  3. Step 3: Cross multiply
    729,147.60x = 1,093,721.40 × 329,801.40
  4. Step 4: Simplify right side
    729,147.60x = 360,710,848,929.96
  5. Step 5: Solve for x
    x = 360,710,848,929.96/729,147.60
  6. Step 6: Final answer
    x = 494,702.10

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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.