Home / 832,839.84-1,149,318.90-465,317.06

Finding the Fourth Proportional to 832,839.84, 1,149,318.90 and 465,317.06

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Solution

The fourth proportional to 832,839.84, 1,149,318.90 and 465,317.06 is: 642,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,839.84 : 1,149,318.90 = 465,317.06 : x
  2. Step 2: Convert to fraction form
    832,839.84/1,149,318.90 = 465,317.06/x
  3. Step 3: Cross multiply
    832,839.84x = 1,149,318.90 × 465,317.06
  4. Step 4: Simplify right side
    832,839.84x = 534,797,687,439.71
  5. Step 5: Solve for x
    x = 534,797,687,439.71/832,839.84
  6. Step 6: Final answer
    x = 642,137.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.