Home / 995,259.88-1,492,889.82-330,411.88

Finding the Fourth Proportional to 995,259.88, 1,492,889.82 and 330,411.88

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Solution

The fourth proportional to 995,259.88, 1,492,889.82 and 330,411.88 is: 495,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,259.88 : 1,492,889.82 = 330,411.88 : x
  2. Step 2: Convert to fraction form
    995,259.88/1,492,889.82 = 330,411.88/x
  3. Step 3: Cross multiply
    995,259.88x = 1,492,889.82 × 330,411.88
  4. Step 4: Simplify right side
    995,259.88x = 493,268,522,942.55
  5. Step 5: Solve for x
    x = 493,268,522,942.55/995,259.88
  6. Step 6: Final answer
    x = 495,617.81

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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.