Home / 777,071.31-1,165,311.72-371,847.57

Finding the Fourth Proportional to 777,071.31, 1,165,311.72 and 371,847.57

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Solution

The fourth proportional to 777,071.31, 1,165,311.72 and 371,847.57 is: 557,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,071.31 : 1,165,311.72 = 371,847.57 : x
  2. Step 2: Convert to fraction form
    777,071.31/1,165,311.72 = 371,847.57/x
  3. Step 3: Cross multiply
    777,071.31x = 1,165,311.72 × 371,847.57
  4. Step 4: Simplify right side
    777,071.31x = 433,318,331,374.52
  5. Step 5: Solve for x
    x = 433,318,331,374.52/777,071.31
  6. Step 6: Final answer
    x = 557,630.07

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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.