Home / 808,515.60-1,212,773.40-247,549.20

Finding the Fourth Proportional to 808,515.60, 1,212,773.40 and 247,549.20

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Solution

The fourth proportional to 808,515.60, 1,212,773.40 and 247,549.20 is: 371,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,515.60 : 1,212,773.40 = 247,549.20 : x
  2. Step 2: Convert to fraction form
    808,515.60/1,212,773.40 = 247,549.20/x
  3. Step 3: Cross multiply
    808,515.60x = 1,212,773.40 × 247,549.20
  4. Step 4: Simplify right side
    808,515.60x = 300,221,084,951.28
  5. Step 5: Solve for x
    x = 300,221,084,951.28/808,515.60
  6. Step 6: Final answer
    x = 371,323.80

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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.