Home / 677,430.73-1,016,539.76-303,453.73

Finding the Fourth Proportional to 677,430.73, 1,016,539.76 and 303,453.73

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Solution

The fourth proportional to 677,430.73, 1,016,539.76 and 303,453.73 is: 455,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,430.73 : 1,016,539.76 = 303,453.73 : x
  2. Step 2: Convert to fraction form
    677,430.73/1,016,539.76 = 303,453.73/x
  3. Step 3: Cross multiply
    677,430.73x = 1,016,539.76 × 303,453.73
  4. Step 4: Simplify right side
    677,430.73x = 308,472,777,806.69
  5. Step 5: Solve for x
    x = 308,472,777,806.69/677,430.73
  6. Step 6: Final answer
    x = 455,356.93

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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.