Home / 692,605.20-1,038,940.20-219,327.60

Finding the Fourth Proportional to 692,605.20, 1,038,940.20 and 219,327.60

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Solution

The fourth proportional to 692,605.20, 1,038,940.20 and 219,327.60 is: 329,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,605.20 : 1,038,940.20 = 219,327.60 : x
  2. Step 2: Convert to fraction form
    692,605.20/1,038,940.20 = 219,327.60/x
  3. Step 3: Cross multiply
    692,605.20x = 1,038,940.20 × 219,327.60
  4. Step 4: Simplify right side
    692,605.20x = 227,868,260,609.52
  5. Step 5: Solve for x
    x = 227,868,260,609.52/692,605.20
  6. Step 6: Final answer
    x = 329,001.66

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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.