Home / 808,766.80-1,213,409.40-542,827.60

Finding the Fourth Proportional to 808,766.80, 1,213,409.40 and 542,827.60

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Solution

The fourth proportional to 808,766.80, 1,213,409.40 and 542,827.60 is: 814,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,766.80 : 1,213,409.40 = 542,827.60 : x
  2. Step 2: Convert to fraction form
    808,766.80/1,213,409.40 = 542,827.60/x
  3. Step 3: Cross multiply
    808,766.80x = 1,213,409.40 × 542,827.60
  4. Step 4: Simplify right side
    808,766.80x = 658,672,112,419.44
  5. Step 5: Solve for x
    x = 658,672,112,419.44/808,766.80
  6. Step 6: Final answer
    x = 814,415.37

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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.