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Finding the Fourth Proportional to 546,540.64, 754,291.88 and 320,186.12

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Solution

The fourth proportional to 546,540.64, 754,291.88 and 320,186.12 is: 441,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,540.64 : 754,291.88 = 320,186.12 : x
  2. Step 2: Convert to fraction form
    546,540.64/754,291.88 = 320,186.12/x
  3. Step 3: Cross multiply
    546,540.64x = 754,291.88 × 320,186.12
  4. Step 4: Simplify right side
    546,540.64x = 241,513,790,404.71
  5. Step 5: Solve for x
    x = 241,513,790,404.71/546,540.64
  6. Step 6: Final answer
    x = 441,895.39

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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.