Home / 497,814.40-746,721.60-454,511.80

Finding the Fourth Proportional to 497,814.40, 746,721.60 and 454,511.80

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Solution

The fourth proportional to 497,814.40, 746,721.60 and 454,511.80 is: 681,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,814.40 : 746,721.60 = 454,511.80 : x
  2. Step 2: Convert to fraction form
    497,814.40/746,721.60 = 454,511.80/x
  3. Step 3: Cross multiply
    497,814.40x = 746,721.60 × 454,511.80
  4. Step 4: Simplify right side
    497,814.40x = 339,393,778,514.88
  5. Step 5: Solve for x
    x = 339,393,778,514.88/497,814.40
  6. Step 6: Final answer
    x = 681,767.70

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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.