Home / 767,453.82-1,150,688.52-318,484.59

Finding the Fourth Proportional to 767,453.82, 1,150,688.52 and 318,484.59

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Solution

The fourth proportional to 767,453.82, 1,150,688.52 and 318,484.59 is: 477,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,453.82 : 1,150,688.52 = 318,484.59 : x
  2. Step 2: Convert to fraction form
    767,453.82/1,150,688.52 = 318,484.59/x
  3. Step 3: Cross multiply
    767,453.82x = 1,150,688.52 × 318,484.59
  4. Step 4: Simplify right side
    767,453.82x = 366,476,561,509.91
  5. Step 5: Solve for x
    x = 366,476,561,509.91/767,453.82
  6. Step 6: Final answer
    x = 477,522.62

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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.