Home / 767,317.53-1,148,745.54-446,491.62

Finding the Fourth Proportional to 767,317.53, 1,148,745.54 and 446,491.62

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Solution

The fourth proportional to 767,317.53, 1,148,745.54 and 446,491.62 is: 668,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,317.53 : 1,148,745.54 = 446,491.62 : x
  2. Step 2: Convert to fraction form
    767,317.53/1,148,745.54 = 446,491.62/x
  3. Step 3: Cross multiply
    767,317.53x = 1,148,745.54 × 446,491.62
  4. Step 4: Simplify right side
    767,317.53x = 512,905,257,122.38
  5. Step 5: Solve for x
    x = 512,905,257,122.38/767,317.53
  6. Step 6: Final answer
    x = 668,439.38

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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.