Home / 783,670.55-1,175,507.07-215,059.43

Finding the Fourth Proportional to 783,670.55, 1,175,507.07 and 215,059.43

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Solution

The fourth proportional to 783,670.55, 1,175,507.07 and 215,059.43 is: 322,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,670.55 : 1,175,507.07 = 215,059.43 : x
  2. Step 2: Convert to fraction form
    783,670.55/1,175,507.07 = 215,059.43/x
  3. Step 3: Cross multiply
    783,670.55x = 1,175,507.07 × 215,059.43
  4. Step 4: Simplify right side
    783,670.55x = 252,803,880,435.17
  5. Step 5: Solve for x
    x = 252,803,880,435.17/783,670.55
  6. Step 6: Final answer
    x = 322,589.49

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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.