Home / 509,370.48-764,208.36-205,608.24

Finding the Fourth Proportional to 509,370.48, 764,208.36 and 205,608.24

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Solution

The fourth proportional to 509,370.48, 764,208.36 and 205,608.24 is: 308,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,370.48 : 764,208.36 = 205,608.24 : x
  2. Step 2: Convert to fraction form
    509,370.48/764,208.36 = 205,608.24/x
  3. Step 3: Cross multiply
    509,370.48x = 764,208.36 × 205,608.24
  4. Step 4: Simplify right side
    509,370.48x = 157,127,535,892.89
  5. Step 5: Solve for x
    x = 157,127,535,892.89/509,370.48
  6. Step 6: Final answer
    x = 308,473.97

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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.