Home / 751,329.92-1,126,638.12-435,883.52

Finding the Fourth Proportional to 751,329.92, 1,126,638.12 and 435,883.52

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Solution

The fourth proportional to 751,329.92, 1,126,638.12 and 435,883.52 is: 653,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,329.92 : 1,126,638.12 = 435,883.52 : x
  2. Step 2: Convert to fraction form
    751,329.92/1,126,638.12 = 435,883.52/x
  3. Step 3: Cross multiply
    751,329.92x = 1,126,638.12 × 435,883.52
  4. Step 4: Simplify right side
    751,329.92x = 491,082,989,511.78
  5. Step 5: Solve for x
    x = 491,082,989,511.78/751,329.92
  6. Step 6: Final answer
    x = 653,618.31

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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.