Home / 519,719.50-779,579.28-125,735.50

Finding the Fourth Proportional to 519,719.50, 779,579.28 and 125,735.50

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Solution

The fourth proportional to 519,719.50, 779,579.28 and 125,735.50 is: 188,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,719.50 : 779,579.28 = 125,735.50 : x
  2. Step 2: Convert to fraction form
    519,719.50/779,579.28 = 125,735.50/x
  3. Step 3: Cross multiply
    519,719.50x = 779,579.28 × 125,735.50
  4. Step 4: Simplify right side
    519,719.50x = 98,020,790,560.44
  5. Step 5: Solve for x
    x = 98,020,790,560.44/519,719.50
  6. Step 6: Final answer
    x = 188,603.26

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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.