Home / 769,851-1,155,257.64-370,533.96

Finding the Fourth Proportional to 769,851, 1,155,257.64 and 370,533.96

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Solution

The fourth proportional to 769,851, 1,155,257.64 and 370,533.96 is: 556,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,851 : 1,155,257.64 = 370,533.96 : x
  2. Step 2: Convert to fraction form
    769,851/1,155,257.64 = 370,533.96/x
  3. Step 3: Cross multiply
    769,851x = 1,155,257.64 × 370,533.96
  4. Step 4: Simplify right side
    769,851x = 428,062,188,169.45
  5. Step 5: Solve for x
    x = 428,062,188,169.45/769,851
  6. Step 6: Final answer
    x = 556,032.52

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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.