Home / 631,682.04-871,723.50-345,206.52

Finding the Fourth Proportional to 631,682.04, 871,723.50 and 345,206.52

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Solution

The fourth proportional to 631,682.04, 871,723.50 and 345,206.52 is: 476,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,682.04 : 871,723.50 = 345,206.52 : x
  2. Step 2: Convert to fraction form
    631,682.04/871,723.50 = 345,206.52/x
  3. Step 3: Cross multiply
    631,682.04x = 871,723.50 × 345,206.52
  4. Step 4: Simplify right side
    631,682.04x = 300,924,635,837.22
  5. Step 5: Solve for x
    x = 300,924,635,837.22/631,682.04
  6. Step 6: Final answer
    x = 476,386.25

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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.