Home / 739,838.18-1,109,789.58-234,436.41

Finding the Fourth Proportional to 739,838.18, 1,109,789.58 and 234,436.41

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Solution

The fourth proportional to 739,838.18, 1,109,789.58 and 234,436.41 is: 351,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,838.18 : 1,109,789.58 = 234,436.41 : x
  2. Step 2: Convert to fraction form
    739,838.18/1,109,789.58 = 234,436.41/x
  3. Step 3: Cross multiply
    739,838.18x = 1,109,789.58 × 234,436.41
  4. Step 4: Simplify right side
    739,838.18x = 260,175,084,990.61
  5. Step 5: Solve for x
    x = 260,175,084,990.61/739,838.18
  6. Step 6: Final answer
    x = 351,664.85

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1.5x scale

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.