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Finding the Fourth Proportional to 546,341.49, 753,912.77 and 304,613.73

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Solution

The fourth proportional to 546,341.49, 753,912.77 and 304,613.73 is: 420,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,341.49 : 753,912.77 = 304,613.73 : x
  2. Step 2: Convert to fraction form
    546,341.49/753,912.77 = 304,613.73/x
  3. Step 3: Cross multiply
    546,341.49x = 753,912.77 × 304,613.73
  4. Step 4: Simplify right side
    546,341.49x = 229,652,179,441.26
  5. Step 5: Solve for x
    x = 229,652,179,441.26/546,341.49
  6. Step 6: Final answer
    x = 420,345.49

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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.