Home / 631,317.91-871,204.40-344,839.27

Finding the Fourth Proportional to 631,317.91, 871,204.40 and 344,839.27

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Solution

The fourth proportional to 631,317.91, 871,204.40 and 344,839.27 is: 475,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,317.91 : 871,204.40 = 344,839.27 : x
  2. Step 2: Convert to fraction form
    631,317.91/871,204.40 = 344,839.27/x
  3. Step 3: Cross multiply
    631,317.91x = 871,204.40 × 344,839.27
  4. Step 4: Simplify right side
    631,317.91x = 300,425,487,592.59
  5. Step 5: Solve for x
    x = 300,425,487,592.59/631,317.91
  6. Step 6: Final answer
    x = 475,870.37

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1.5x scale

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.