Home / 441,289.17-661,933.74-308,428.92

Finding the Fourth Proportional to 441,289.17, 661,933.74 and 308,428.92

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Solution

The fourth proportional to 441,289.17, 661,933.74 and 308,428.92 is: 462,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,289.17 : 661,933.74 = 308,428.92 : x
  2. Step 2: Convert to fraction form
    441,289.17/661,933.74 = 308,428.92/x
  3. Step 3: Cross multiply
    441,289.17x = 661,933.74 × 308,428.92
  4. Step 4: Simplify right side
    441,289.17x = 204,159,508,539.76
  5. Step 5: Solve for x
    x = 204,159,508,539.76/441,289.17
  6. Step 6: Final answer
    x = 462,643.37

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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.