Home / 631,496.04-871,438.68-345,026.04

Finding the Fourth Proportional to 631,496.04, 871,438.68 and 345,026.04

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Solution

The fourth proportional to 631,496.04, 871,438.68 and 345,026.04 is: 476,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,496.04 : 871,438.68 = 345,026.04 : x
  2. Step 2: Convert to fraction form
    631,496.04/871,438.68 = 345,026.04/x
  3. Step 3: Cross multiply
    631,496.04x = 871,438.68 × 345,026.04
  4. Step 4: Simplify right side
    631,496.04x = 300,669,036,863.23
  5. Step 5: Solve for x
    x = 300,669,036,863.23/631,496.04
  6. Step 6: Final answer
    x = 476,121.81

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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.