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Finding the Fourth Proportional to 543,094.56, 749,494.08 and 361,514.24

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Solution

The fourth proportional to 543,094.56, 749,494.08 and 361,514.24 is: 498,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,094.56 : 749,494.08 = 361,514.24 : x
  2. Step 2: Convert to fraction form
    543,094.56/749,494.08 = 361,514.24/x
  3. Step 3: Cross multiply
    543,094.56x = 749,494.08 × 361,514.24
  4. Step 4: Simplify right side
    543,094.56x = 270,952,782,715.70
  5. Step 5: Solve for x
    x = 270,952,782,715.70/543,094.56
  6. Step 6: Final answer
    x = 498,905.35

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.