Home / 995,279.40-1,492,919.10-330,431.40

Finding the Fourth Proportional to 995,279.40, 1,492,919.10 and 330,431.40

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Solution

The fourth proportional to 995,279.40, 1,492,919.10 and 330,431.40 is: 495,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,279.40 : 1,492,919.10 = 330,431.40 : x
  2. Step 2: Convert to fraction form
    995,279.40/1,492,919.10 = 330,431.40/x
  3. Step 3: Cross multiply
    995,279.40x = 1,492,919.10 × 330,431.40
  4. Step 4: Simplify right side
    995,279.40x = 493,307,348,299.74
  5. Step 5: Solve for x
    x = 493,307,348,299.74/995,279.40
  6. Step 6: Final answer
    x = 495,647.10

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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.