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Finding the Fourth Proportional to 492,850.96, 680,119.06 and 277,987.92

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Solution

The fourth proportional to 492,850.96, 680,119.06 and 277,987.92 is: 383,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,850.96 : 680,119.06 = 277,987.92 : x
  2. Step 2: Convert to fraction form
    492,850.96/680,119.06 = 277,987.92/x
  3. Step 3: Cross multiply
    492,850.96x = 680,119.06 × 277,987.92
  4. Step 4: Simplify right side
    492,850.96x = 189,064,882,841.76
  5. Step 5: Solve for x
    x = 189,064,882,841.76/492,850.96
  6. Step 6: Final answer
    x = 383,614.72

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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.