Home / 693,172.52-1,039,795.74-219,895.72

Finding the Fourth Proportional to 693,172.52, 1,039,795.74 and 219,895.72

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Solution

The fourth proportional to 693,172.52, 1,039,795.74 and 219,895.72 is: 329,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,172.52 : 1,039,795.74 = 219,895.72 : x
  2. Step 2: Convert to fraction form
    693,172.52/1,039,795.74 = 219,895.72/x
  3. Step 3: Cross multiply
    693,172.52x = 1,039,795.74 × 219,895.72
  4. Step 4: Simplify right side
    693,172.52x = 228,646,632,900.23
  5. Step 5: Solve for x
    x = 228,646,632,900.23/693,172.52
  6. Step 6: Final answer
    x = 329,855.30

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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.