Home / 676,786.35-1,015,269.53-316,908.06

Finding the Fourth Proportional to 676,786.35, 1,015,269.53 and 316,908.06

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Solution

The fourth proportional to 676,786.35, 1,015,269.53 and 316,908.06 is: 475,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,786.35 : 1,015,269.53 = 316,908.06 : x
  2. Step 2: Convert to fraction form
    676,786.35/1,015,269.53 = 316,908.06/x
  3. Step 3: Cross multiply
    676,786.35x = 1,015,269.53 × 316,908.06
  4. Step 4: Simplify right side
    676,786.35x = 321,747,097,448.50
  5. Step 5: Solve for x
    x = 321,747,097,448.50/676,786.35
  6. Step 6: Final answer
    x = 475,404.23

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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.