Home / 849,322.96-1,273,984.43-309,619.71

Finding the Fourth Proportional to 849,322.96, 1,273,984.43 and 309,619.71

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Solution

The fourth proportional to 849,322.96, 1,273,984.43 and 309,619.71 is: 464,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,322.96 : 1,273,984.43 = 309,619.71 : x
  2. Step 2: Convert to fraction form
    849,322.96/1,273,984.43 = 309,619.71/x
  3. Step 3: Cross multiply
    849,322.96x = 1,273,984.43 × 309,619.71
  4. Step 4: Simplify right side
    849,322.96x = 394,450,690,535.17
  5. Step 5: Solve for x
    x = 394,450,690,535.17/849,322.96
  6. Step 6: Final answer
    x = 464,429.56

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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.