Home / 769,733.60-1,155,982.80-559,608.80

Finding the Fourth Proportional to 769,733.60, 1,155,982.80 and 559,608.80

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Solution

The fourth proportional to 769,733.60, 1,155,982.80 and 559,608.80 is: 840,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,733.60 : 1,155,982.80 = 559,608.80 : x
  2. Step 2: Convert to fraction form
    769,733.60/1,155,982.80 = 559,608.80/x
  3. Step 3: Cross multiply
    769,733.60x = 1,155,982.80 × 559,608.80
  4. Step 4: Simplify right side
    769,733.60x = 646,898,147,528.64
  5. Step 5: Solve for x
    x = 646,898,147,528.64/769,733.60
  6. Step 6: Final answer
    x = 840,418.23

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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.