Home / 631,569.26-871,571.67-345,089.32

Finding the Fourth Proportional to 631,569.26, 871,571.67 and 345,089.32

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Solution

The fourth proportional to 631,569.26, 871,571.67 and 345,089.32 is: 476,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,569.26 : 871,571.67 = 345,089.32 : x
  2. Step 2: Convert to fraction form
    631,569.26/871,571.67 = 345,089.32/x
  3. Step 3: Cross multiply
    631,569.26x = 871,571.67 × 345,089.32
  4. Step 4: Simplify right side
    631,569.26x = 300,770,074,931.56
  5. Step 5: Solve for x
    x = 300,770,074,931.56/631,569.26
  6. Step 6: Final answer
    x = 476,226.59

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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.