Home / 809,266.80-1,212,296.40-709,539.60

Finding the Fourth Proportional to 809,266.80, 1,212,296.40 and 709,539.60

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Solution

The fourth proportional to 809,266.80, 1,212,296.40 and 709,539.60 is: 1,062,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,266.80 : 1,212,296.40 = 709,539.60 : x
  2. Step 2: Convert to fraction form
    809,266.80/1,212,296.40 = 709,539.60/x
  3. Step 3: Cross multiply
    809,266.80x = 1,212,296.40 × 709,539.60
  4. Step 4: Simplify right side
    809,266.80x = 860,172,302,737.44
  5. Step 5: Solve for x
    x = 860,172,302,737.44/809,266.80
  6. Step 6: Final answer
    x = 1,062,903.24

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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.