Home / 751,125.96-1,126,001.52-324,394.20

Finding the Fourth Proportional to 751,125.96, 1,126,001.52 and 324,394.20

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Solution

The fourth proportional to 751,125.96, 1,126,001.52 and 324,394.20 is: 486,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,125.96 : 1,126,001.52 = 324,394.20 : x
  2. Step 2: Convert to fraction form
    751,125.96/1,126,001.52 = 324,394.20/x
  3. Step 3: Cross multiply
    751,125.96x = 1,126,001.52 × 324,394.20
  4. Step 4: Simplify right side
    751,125.96x = 365,268,362,279.18
  5. Step 5: Solve for x
    x = 365,268,362,279.18/751,125.96
  6. Step 6: Final answer
    x = 486,294.42

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Double scale
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1.5x scale

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.