Home / 692,396.10-1,038,490.26-219,019.95

Finding the Fourth Proportional to 692,396.10, 1,038,490.26 and 219,019.95

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Solution

The fourth proportional to 692,396.10, 1,038,490.26 and 219,019.95 is: 328,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,396.10 : 1,038,490.26 = 219,019.95 : x
  2. Step 2: Convert to fraction form
    692,396.10/1,038,490.26 = 219,019.95/x
  3. Step 3: Cross multiply
    692,396.10x = 1,038,490.26 × 219,019.95
  4. Step 4: Simplify right side
    692,396.10x = 227,450,087,893.70
  5. Step 5: Solve for x
    x = 227,450,087,893.70/692,396.10
  6. Step 6: Final answer
    x = 328,497.06

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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.