Home / 829,642.50-1,245,514.05-509,006.43

Finding the Fourth Proportional to 829,642.50, 1,245,514.05 and 509,006.43

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Solution

The fourth proportional to 829,642.50, 1,245,514.05 and 509,006.43 is: 764,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,642.50 : 1,245,514.05 = 509,006.43 : x
  2. Step 2: Convert to fraction form
    829,642.50/1,245,514.05 = 509,006.43/x
  3. Step 3: Cross multiply
    829,642.50x = 1,245,514.05 × 509,006.43
  4. Step 4: Simplify right side
    829,642.50x = 633,974,660,105.34
  5. Step 5: Solve for x
    x = 633,974,660,105.34/829,642.50
  6. Step 6: Final answer
    x = 764,154.03

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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.