Home / 727,154.82-1,090,782.03-247,187.30

Finding the Fourth Proportional to 727,154.82, 1,090,782.03 and 247,187.30

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Solution

The fourth proportional to 727,154.82, 1,090,782.03 and 247,187.30 is: 370,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,154.82 : 1,090,782.03 = 247,187.30 : x
  2. Step 2: Convert to fraction form
    727,154.82/1,090,782.03 = 247,187.30/x
  3. Step 3: Cross multiply
    727,154.82x = 1,090,782.03 × 247,187.30
  4. Step 4: Simplify right side
    727,154.82x = 269,627,459,430.31
  5. Step 5: Solve for x
    x = 269,627,459,430.31/727,154.82
  6. Step 6: Final answer
    x = 370,797.87

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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.