Home / 808,778.84-1,213,124.52-247,814.96

Finding the Fourth Proportional to 808,778.84, 1,213,124.52 and 247,814.96

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Solution

The fourth proportional to 808,778.84, 1,213,124.52 and 247,814.96 is: 371,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,778.84 : 1,213,124.52 = 247,814.96 : x
  2. Step 2: Convert to fraction form
    808,778.84/1,213,124.52 = 247,814.96/x
  3. Step 3: Cross multiply
    808,778.84x = 1,213,124.52 × 247,814.96
  4. Step 4: Simplify right side
    808,778.84x = 300,630,404,398.82
  5. Step 5: Solve for x
    x = 300,630,404,398.82/808,778.84
  6. Step 6: Final answer
    x = 371,709.04

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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.