Home / 727,001.72-1,090,419.15-194,564.29

Finding the Fourth Proportional to 727,001.72, 1,090,419.15 and 194,564.29

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Solution

The fourth proportional to 727,001.72, 1,090,419.15 and 194,564.29 is: 291,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,001.72 : 1,090,419.15 = 194,564.29 : x
  2. Step 2: Convert to fraction form
    727,001.72/1,090,419.15 = 194,564.29/x
  3. Step 3: Cross multiply
    727,001.72x = 1,090,419.15 × 194,564.29
  4. Step 4: Simplify right side
    727,001.72x = 212,156,627,722.15
  5. Step 5: Solve for x
    x = 212,156,627,722.15/727,001.72
  6. Step 6: Final answer
    x = 291,824.11

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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.