Home / 871,484.69-1,202,655.53-484,336.43

Finding the Fourth Proportional to 871,484.69, 1,202,655.53 and 484,336.43

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Solution

The fourth proportional to 871,484.69, 1,202,655.53 and 484,336.43 is: 668,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,484.69 : 1,202,655.53 = 484,336.43 : x
  2. Step 2: Convert to fraction form
    871,484.69/1,202,655.53 = 484,336.43/x
  3. Step 3: Cross multiply
    871,484.69x = 1,202,655.53 × 484,336.43
  4. Step 4: Simplify right side
    871,484.69x = 582,489,885,627.48
  5. Step 5: Solve for x
    x = 582,489,885,627.48/871,484.69
  6. Step 6: Final answer
    x = 668,387.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.