Home / 497,628.72-746,663.40-260,914.86

Finding the Fourth Proportional to 497,628.72, 746,663.40 and 260,914.86

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Solution

The fourth proportional to 497,628.72, 746,663.40 and 260,914.86 is: 391,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,628.72 : 746,663.40 = 260,914.86 : x
  2. Step 2: Convert to fraction form
    497,628.72/746,663.40 = 260,914.86/x
  3. Step 3: Cross multiply
    497,628.72x = 746,663.40 × 260,914.86
  4. Step 4: Simplify right side
    497,628.72x = 194,815,576,478.12
  5. Step 5: Solve for x
    x = 194,815,576,478.12/497,628.72
  6. Step 6: Final answer
    x = 391,487.81

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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.