Home / 914,415.40-1,371,402.51-381,647.62

Finding the Fourth Proportional to 914,415.40, 1,371,402.51 and 381,647.62

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Solution

The fourth proportional to 914,415.40, 1,371,402.51 and 381,647.62 is: 572,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,415.40 : 1,371,402.51 = 381,647.62 : x
  2. Step 2: Convert to fraction form
    914,415.40/1,371,402.51 = 381,647.62/x
  3. Step 3: Cross multiply
    914,415.40x = 1,371,402.51 × 381,647.62
  4. Step 4: Simplify right side
    914,415.40x = 523,392,504,003.53
  5. Step 5: Solve for x
    x = 523,392,504,003.53/914,415.40
  6. Step 6: Final answer
    x = 572,379.36

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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.