Home / 722,723.60-1,084,085.40-368,429.60

Finding the Fourth Proportional to 722,723.60, 1,084,085.40 and 368,429.60

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Solution

The fourth proportional to 722,723.60, 1,084,085.40 and 368,429.60 is: 552,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,723.60 : 1,084,085.40 = 368,429.60 : x
  2. Step 2: Convert to fraction form
    722,723.60/1,084,085.40 = 368,429.60/x
  3. Step 3: Cross multiply
    722,723.60x = 1,084,085.40 × 368,429.60
  4. Step 4: Simplify right side
    722,723.60x = 399,409,150,287.84
  5. Step 5: Solve for x
    x = 399,409,150,287.84/722,723.60
  6. Step 6: Final answer
    x = 552,644.40

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Double scale
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Similar ratio
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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.