Home / 692,396.98-1,038,491.57-219,020.83

Finding the Fourth Proportional to 692,396.98, 1,038,491.57 and 219,020.83

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Solution

The fourth proportional to 692,396.98, 1,038,491.57 and 219,020.83 is: 328,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,396.98 : 1,038,491.57 = 219,020.83 : x
  2. Step 2: Convert to fraction form
    692,396.98/1,038,491.57 = 219,020.83/x
  3. Step 3: Cross multiply
    692,396.98x = 1,038,491.57 × 219,020.83
  4. Step 4: Simplify right side
    692,396.98x = 227,451,285,609.40
  5. Step 5: Solve for x
    x = 227,451,285,609.40/692,396.98
  6. Step 6: Final answer
    x = 328,498.38

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1.5x scale

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.