Home / 808,180.75-1,212,319.73-247,220.11

Finding the Fourth Proportional to 808,180.75, 1,212,319.73 and 247,220.11

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Solution

The fourth proportional to 808,180.75, 1,212,319.73 and 247,220.11 is: 370,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,180.75 : 1,212,319.73 = 247,220.11 : x
  2. Step 2: Convert to fraction form
    808,180.75/1,212,319.73 = 247,220.11/x
  3. Step 3: Cross multiply
    808,180.75x = 1,212,319.73 × 247,220.11
  4. Step 4: Simplify right side
    808,180.75x = 299,709,817,005.77
  5. Step 5: Solve for x
    x = 299,709,817,005.77/808,180.75
  6. Step 6: Final answer
    x = 370,845.03

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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.