Home / 703,617.36-1,055,426.02-171,138.75

Finding the Fourth Proportional to 703,617.36, 1,055,426.02 and 171,138.75

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Solution

The fourth proportional to 703,617.36, 1,055,426.02 and 171,138.75 is: 256,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,617.36 : 1,055,426.02 = 171,138.75 : x
  2. Step 2: Convert to fraction form
    703,617.36/1,055,426.02 = 171,138.75/x
  3. Step 3: Cross multiply
    703,617.36x = 1,055,426.02 × 171,138.75
  4. Step 4: Simplify right side
    703,617.36x = 180,624,289,780.28
  5. Step 5: Solve for x
    x = 180,624,289,780.28/703,617.36
  6. Step 6: Final answer
    x = 256,708.12

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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.