Home / 919,677.65-1,377,522.65-445,368.38

Finding the Fourth Proportional to 919,677.65, 1,377,522.65 and 445,368.38

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Solution

The fourth proportional to 919,677.65, 1,377,522.65 and 445,368.38 is: 667,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,677.65 : 1,377,522.65 = 445,368.38 : x
  2. Step 2: Convert to fraction form
    919,677.65/1,377,522.65 = 445,368.38/x
  3. Step 3: Cross multiply
    919,677.65x = 1,377,522.65 × 445,368.38
  4. Step 4: Simplify right side
    919,677.65x = 613,505,025,269.62
  5. Step 5: Solve for x
    x = 613,505,025,269.62/919,677.65
  6. Step 6: Final answer
    x = 667,087.03

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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.