Home / 810,522.96-1,214,787.90-454,789.62

Finding the Fourth Proportional to 810,522.96, 1,214,787.90 and 454,789.62

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Solution

The fourth proportional to 810,522.96, 1,214,787.90 and 454,789.62 is: 681,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,522.96 : 1,214,787.90 = 454,789.62 : x
  2. Step 2: Convert to fraction form
    810,522.96/1,214,787.90 = 454,789.62/x
  3. Step 3: Cross multiply
    810,522.96x = 1,214,787.90 × 454,789.62
  4. Step 4: Simplify right side
    810,522.96x = 552,472,927,421.60
  5. Step 5: Solve for x
    x = 552,472,927,421.60/810,522.96
  6. Step 6: Final answer
    x = 681,625.27

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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.