Home / 703,485.60-1,055,228.40-303,847.80

Finding the Fourth Proportional to 703,485.60, 1,055,228.40 and 303,847.80

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Solution

The fourth proportional to 703,485.60, 1,055,228.40 and 303,847.80 is: 455,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,485.60 : 1,055,228.40 = 303,847.80 : x
  2. Step 2: Convert to fraction form
    703,485.60/1,055,228.40 = 303,847.80/x
  3. Step 3: Cross multiply
    703,485.60x = 1,055,228.40 × 303,847.80
  4. Step 4: Simplify right side
    703,485.60x = 320,628,827,837.52
  5. Step 5: Solve for x
    x = 320,628,827,837.52/703,485.60
  6. Step 6: Final answer
    x = 455,771.70

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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.