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Finding the Fourth Proportional to 546,308.96, 753,638.44 and 365,065.40

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Solution

The fourth proportional to 546,308.96, 753,638.44 and 365,065.40 is: 503,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,308.96 : 753,638.44 = 365,065.40 : x
  2. Step 2: Convert to fraction form
    546,308.96/753,638.44 = 365,065.40/x
  3. Step 3: Cross multiply
    546,308.96x = 753,638.44 × 365,065.40
  4. Step 4: Simplify right side
    546,308.96x = 275,127,318,553.98
  5. Step 5: Solve for x
    x = 275,127,318,553.98/546,308.96
  6. Step 6: Final answer
    x = 503,611.21

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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.