Home / 783,474.63-1,175,212.33-517,172.90

Finding the Fourth Proportional to 783,474.63, 1,175,212.33 and 517,172.90

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Solution

The fourth proportional to 783,474.63, 1,175,212.33 and 517,172.90 is: 775,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,474.63 : 1,175,212.33 = 517,172.90 : x
  2. Step 2: Convert to fraction form
    783,474.63/1,175,212.33 = 517,172.90/x
  3. Step 3: Cross multiply
    783,474.63x = 1,175,212.33 × 517,172.90
  4. Step 4: Simplify right side
    783,474.63x = 607,787,968,263.43
  5. Step 5: Solve for x
    x = 607,787,968,263.43/783,474.63
  6. Step 6: Final answer
    x = 775,759.61

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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.