Home / 631,578.64-871,578.75-341,190.31

Finding the Fourth Proportional to 631,578.64, 871,578.75 and 341,190.31

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Solution

The fourth proportional to 631,578.64, 871,578.75 and 341,190.31 is: 470,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,578.64 : 871,578.75 = 341,190.31 : x
  2. Step 2: Convert to fraction form
    631,578.64/871,578.75 = 341,190.31/x
  3. Step 3: Cross multiply
    631,578.64x = 871,578.75 × 341,190.31
  4. Step 4: Simplify right side
    631,578.64x = 297,374,223,901.91
  5. Step 5: Solve for x
    x = 297,374,223,901.91/631,578.64
  6. Step 6: Final answer
    x = 470,842.75

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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.