Home / 787,372.25-1,180,768.59-619,221.11

Finding the Fourth Proportional to 787,372.25, 1,180,768.59 and 619,221.11

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Solution

The fourth proportional to 787,372.25, 1,180,768.59 and 619,221.11 is: 928,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,372.25 : 1,180,768.59 = 619,221.11 : x
  2. Step 2: Convert to fraction form
    787,372.25/1,180,768.59 = 619,221.11/x
  3. Step 3: Cross multiply
    787,372.25x = 1,180,768.59 × 619,221.11
  4. Step 4: Simplify right side
    787,372.25x = 731,156,831,049.09
  5. Step 5: Solve for x
    x = 731,156,831,049.09/787,372.25
  6. Step 6: Final answer
    x = 928,603.76

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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.