Home / 762,190.20-1,143,728.14-341,466.06

Finding the Fourth Proportional to 762,190.20, 1,143,728.14 and 341,466.06

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Solution

The fourth proportional to 762,190.20, 1,143,728.14 and 341,466.06 is: 512,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,190.20 : 1,143,728.14 = 341,466.06 : x
  2. Step 2: Convert to fraction form
    762,190.20/1,143,728.14 = 341,466.06/x
  3. Step 3: Cross multiply
    762,190.20x = 1,143,728.14 × 341,466.06
  4. Step 4: Simplify right side
    762,190.20x = 390,544,341,676.93
  5. Step 5: Solve for x
    x = 390,544,341,676.93/762,190.20
  6. Step 6: Final answer
    x = 512,397.49

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Half scale
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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.