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Finding the Fourth Proportional to 492,826, 680,060.76 and 277,897.36

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Solution

The fourth proportional to 492,826, 680,060.76 and 277,897.36 is: 383,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,826 : 680,060.76 = 277,897.36 : x
  2. Step 2: Convert to fraction form
    492,826/680,060.76 = 277,897.36/x
  3. Step 3: Cross multiply
    492,826x = 680,060.76 × 277,897.36
  4. Step 4: Simplify right side
    492,826x = 188,987,089,843.59
  5. Step 5: Solve for x
    x = 188,987,089,843.59/492,826
  6. Step 6: Final answer
    x = 383,476.30

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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.