Home / 703,645.60-1,055,135.76-254,279.20

Finding the Fourth Proportional to 703,645.60, 1,055,135.76 and 254,279.20

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Solution

The fourth proportional to 703,645.60, 1,055,135.76 and 254,279.20 is: 381,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,645.60 : 1,055,135.76 = 254,279.20 : x
  2. Step 2: Convert to fraction form
    703,645.60/1,055,135.76 = 254,279.20/x
  3. Step 3: Cross multiply
    703,645.60x = 1,055,135.76 × 254,279.20
  4. Step 4: Simplify right side
    703,645.60x = 268,299,076,944.19
  5. Step 5: Solve for x
    x = 268,299,076,944.19/703,645.60
  6. Step 6: Final answer
    x = 381,298.59

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Double scale
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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.