Home / 884,396.18-1,220,516.82-669,162.57

Finding the Fourth Proportional to 884,396.18, 1,220,516.82 and 669,162.57

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Solution

The fourth proportional to 884,396.18, 1,220,516.82 and 669,162.57 is: 923,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,396.18 : 1,220,516.82 = 669,162.57 : x
  2. Step 2: Convert to fraction form
    884,396.18/1,220,516.82 = 669,162.57/x
  3. Step 3: Cross multiply
    884,396.18x = 1,220,516.82 × 669,162.57
  4. Step 4: Simplify right side
    884,396.18x = 816,724,171,999.43
  5. Step 5: Solve for x
    x = 816,724,171,999.43/884,396.18
  6. Step 6: Final answer
    x = 923,482.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.