Home / 779,949.46-1,169,176.81-330,051.43

Finding the Fourth Proportional to 779,949.46, 1,169,176.81 and 330,051.43

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Solution

The fourth proportional to 779,949.46, 1,169,176.81 and 330,051.43 is: 494,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,949.46 : 1,169,176.81 = 330,051.43 : x
  2. Step 2: Convert to fraction form
    779,949.46/1,169,176.81 = 330,051.43/x
  3. Step 3: Cross multiply
    779,949.46x = 1,169,176.81 × 330,051.43
  4. Step 4: Simplify right side
    779,949.46x = 385,888,478,063.34
  5. Step 5: Solve for x
    x = 385,888,478,063.34/779,949.46
  6. Step 6: Final answer
    x = 494,760.88

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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.