Home / 808,272-1,212,456.60-247,311.36

Finding the Fourth Proportional to 808,272, 1,212,456.60 and 247,311.36

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Solution

The fourth proportional to 808,272, 1,212,456.60 and 247,311.36 is: 370,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,272 : 1,212,456.60 = 247,311.36 : x
  2. Step 2: Convert to fraction form
    808,272/1,212,456.60 = 247,311.36/x
  3. Step 3: Cross multiply
    808,272x = 1,212,456.60 × 247,311.36
  4. Step 4: Simplify right side
    808,272x = 299,854,290,686.98
  5. Step 5: Solve for x
    x = 299,854,290,686.98/808,272
  6. Step 6: Final answer
    x = 370,981.91

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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.