Home / 631,204.45-871,083.64-373,302.47

Finding the Fourth Proportional to 631,204.45, 871,083.64 and 373,302.47

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Solution

The fourth proportional to 631,204.45, 871,083.64 and 373,302.47 is: 515,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,204.45 : 871,083.64 = 373,302.47 : x
  2. Step 2: Convert to fraction form
    631,204.45/871,083.64 = 373,302.47/x
  3. Step 3: Cross multiply
    631,204.45x = 871,083.64 × 373,302.47
  4. Step 4: Simplify right side
    631,204.45x = 325,177,676,333.07
  5. Step 5: Solve for x
    x = 325,177,676,333.07/631,204.45
  6. Step 6: Final answer
    x = 515,170.13

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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.