Home / 783,677.07-1,175,516.90-215,065.96

Finding the Fourth Proportional to 783,677.07, 1,175,516.90 and 215,065.96

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Solution

The fourth proportional to 783,677.07, 1,175,516.90 and 215,065.96 is: 322,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,677.07 : 1,175,516.90 = 215,065.96 : x
  2. Step 2: Convert to fraction form
    783,677.07/1,175,516.90 = 215,065.96/x
  3. Step 3: Cross multiply
    783,677.07x = 1,175,516.90 × 215,065.96
  4. Step 4: Simplify right side
    783,677.07x = 252,813,670,594.72
  5. Step 5: Solve for x
    x = 252,813,670,594.72/783,677.07
  6. Step 6: Final answer
    x = 322,599.30

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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.