Home / 729,719.60-1,094,579.40-336,503.60

Finding the Fourth Proportional to 729,719.60, 1,094,579.40 and 336,503.60

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Solution

The fourth proportional to 729,719.60, 1,094,579.40 and 336,503.60 is: 504,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,719.60 : 1,094,579.40 = 336,503.60 : x
  2. Step 2: Convert to fraction form
    729,719.60/1,094,579.40 = 336,503.60/x
  3. Step 3: Cross multiply
    729,719.60x = 1,094,579.40 × 336,503.60
  4. Step 4: Simplify right side
    729,719.60x = 368,329,908,585.84
  5. Step 5: Solve for x
    x = 368,329,908,585.84/729,719.60
  6. Step 6: Final answer
    x = 504,755.40

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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.