Home / 722,829.20-1,085,280.60-565,235.60

Finding the Fourth Proportional to 722,829.20, 1,085,280.60 and 565,235.60

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Solution

The fourth proportional to 722,829.20, 1,085,280.60 and 565,235.60 is: 848,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,829.20 : 1,085,280.60 = 565,235.60 : x
  2. Step 2: Convert to fraction form
    722,829.20/1,085,280.60 = 565,235.60/x
  3. Step 3: Cross multiply
    722,829.20x = 1,085,280.60 × 565,235.60
  4. Step 4: Simplify right side
    722,829.20x = 613,439,231,109.36
  5. Step 5: Solve for x
    x = 613,439,231,109.36/722,829.20
  6. Step 6: Final answer
    x = 848,664.15

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1.5x scale

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.