Home / 751,327.92-1,126,635.12-435,881.52

Finding the Fourth Proportional to 751,327.92, 1,126,635.12 and 435,881.52

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Solution

The fourth proportional to 751,327.92, 1,126,635.12 and 435,881.52 is: 653,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,327.92 : 1,126,635.12 = 435,881.52 : x
  2. Step 2: Convert to fraction form
    751,327.92/1,126,635.12 = 435,881.52/x
  3. Step 3: Cross multiply
    751,327.92x = 1,126,635.12 × 435,881.52
  4. Step 4: Simplify right side
    751,327.92x = 491,079,428,590.98
  5. Step 5: Solve for x
    x = 491,079,428,590.98/751,327.92
  6. Step 6: Final answer
    x = 653,615.31

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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.