Home / 501,025.80-751,538.70-451,162.20

Finding the Fourth Proportional to 501,025.80, 751,538.70 and 451,162.20

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Solution

The fourth proportional to 501,025.80, 751,538.70 and 451,162.20 is: 676,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,025.80 : 751,538.70 = 451,162.20 : x
  2. Step 2: Convert to fraction form
    501,025.80/751,538.70 = 451,162.20/x
  3. Step 3: Cross multiply
    501,025.80x = 751,538.70 × 451,162.20
  4. Step 4: Simplify right side
    501,025.80x = 339,065,853,277.14
  5. Step 5: Solve for x
    x = 339,065,853,277.14/501,025.80
  6. Step 6: Final answer
    x = 676,743.30

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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.