Home / 995,260.38-1,492,890.56-330,412.38

Finding the Fourth Proportional to 995,260.38, 1,492,890.56 and 330,412.38

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Solution

The fourth proportional to 995,260.38, 1,492,890.56 and 330,412.38 is: 495,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,260.38 : 1,492,890.56 = 330,412.38 : x
  2. Step 2: Convert to fraction form
    995,260.38/1,492,890.56 = 330,412.38/x
  3. Step 3: Cross multiply
    995,260.38x = 1,492,890.56 × 330,412.38
  4. Step 4: Simplify right side
    995,260.38x = 493,269,523,009.13
  5. Step 5: Solve for x
    x = 493,269,523,009.13/995,260.38
  6. Step 6: Final answer
    x = 495,618.57

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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.