Home / 692,397.10-1,038,491.76-219,020.95

Finding the Fourth Proportional to 692,397.10, 1,038,491.76 and 219,020.95

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Solution

The fourth proportional to 692,397.10, 1,038,491.76 and 219,020.95 is: 328,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,397.10 : 1,038,491.76 = 219,020.95 : x
  2. Step 2: Convert to fraction form
    692,397.10/1,038,491.76 = 219,020.95/x
  3. Step 3: Cross multiply
    692,397.10x = 1,038,491.76 × 219,020.95
  4. Step 4: Simplify right side
    692,397.10x = 227,451,451,842.37
  5. Step 5: Solve for x
    x = 227,451,451,842.37/692,397.10
  6. Step 6: Final answer
    x = 328,498.56

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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.