Home / 727,209.53-1,090,811.32-221,769.03

Finding the Fourth Proportional to 727,209.53, 1,090,811.32 and 221,769.03

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Solution

The fourth proportional to 727,209.53, 1,090,811.32 and 221,769.03 is: 332,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,209.53 : 1,090,811.32 = 221,769.03 : x
  2. Step 2: Convert to fraction form
    727,209.53/1,090,811.32 = 221,769.03/x
  3. Step 3: Cross multiply
    727,209.53x = 1,090,811.32 × 221,769.03
  4. Step 4: Simplify right side
    727,209.53x = 241,908,166,997.18
  5. Step 5: Solve for x
    x = 241,908,166,997.18/727,209.53
  6. Step 6: Final answer
    x = 332,652.63

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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.