Home / 772,950.20-1,159,911.70-329,711.80

Finding the Fourth Proportional to 772,950.20, 1,159,911.70 and 329,711.80

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Solution

The fourth proportional to 772,950.20, 1,159,911.70 and 329,711.80 is: 494,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,950.20 : 1,159,911.70 = 329,711.80 : x
  2. Step 2: Convert to fraction form
    772,950.20/1,159,911.70 = 329,711.80/x
  3. Step 3: Cross multiply
    772,950.20x = 1,159,911.70 × 329,711.80
  4. Step 4: Simplify right side
    772,950.20x = 382,436,574,448.06
  5. Step 5: Solve for x
    x = 382,436,574,448.06/772,950.20
  6. Step 6: Final answer
    x = 494,775.18

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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.