Home / 497,508.06-746,378.73-198,006.78

Finding the Fourth Proportional to 497,508.06, 746,378.73 and 198,006.78

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Solution

The fourth proportional to 497,508.06, 746,378.73 and 198,006.78 is: 297,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,508.06 : 746,378.73 = 198,006.78 : x
  2. Step 2: Convert to fraction form
    497,508.06/746,378.73 = 198,006.78/x
  3. Step 3: Cross multiply
    497,508.06x = 746,378.73 × 198,006.78
  4. Step 4: Simplify right side
    497,508.06x = 147,788,048,987.79
  5. Step 5: Solve for x
    x = 147,788,048,987.79/497,508.06
  6. Step 6: Final answer
    x = 297,056.59

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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.