Home / 692,077.44-1,038,269.96-212,371.96

Finding the Fourth Proportional to 692,077.44, 1,038,269.96 and 212,371.96

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Solution

The fourth proportional to 692,077.44, 1,038,269.96 and 212,371.96 is: 318,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,077.44 : 1,038,269.96 = 212,371.96 : x
  2. Step 2: Convert to fraction form
    692,077.44/1,038,269.96 = 212,371.96/x
  3. Step 3: Cross multiply
    692,077.44x = 1,038,269.96 × 212,371.96
  4. Step 4: Simplify right side
    692,077.44x = 220,499,426,414.32
  5. Step 5: Solve for x
    x = 220,499,426,414.32/692,077.44
  6. Step 6: Final answer
    x = 318,605.14

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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.