Home / 808,534.40-1,212,974.40-247,625.60

Finding the Fourth Proportional to 808,534.40, 1,212,974.40 and 247,625.60

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Solution

The fourth proportional to 808,534.40, 1,212,974.40 and 247,625.60 is: 371,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,534.40 : 1,212,974.40 = 247,625.60 : x
  2. Step 2: Convert to fraction form
    808,534.40/1,212,974.40 = 247,625.60/x
  3. Step 3: Cross multiply
    808,534.40x = 1,212,974.40 × 247,625.60
  4. Step 4: Simplify right side
    808,534.40x = 300,363,513,584.64
  5. Step 5: Solve for x
    x = 300,363,513,584.64/808,534.40
  6. Step 6: Final answer
    x = 371,491.32

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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.