Home / 631,829.06-871,924.57-345,349.15

Finding the Fourth Proportional to 631,829.06, 871,924.57 and 345,349.15

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Solution

The fourth proportional to 631,829.06, 871,924.57 and 345,349.15 is: 476,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,829.06 : 871,924.57 = 345,349.15 : x
  2. Step 2: Convert to fraction form
    631,829.06/871,924.57 = 345,349.15/x
  3. Step 3: Cross multiply
    631,829.06x = 871,924.57 × 345,349.15
  4. Step 4: Simplify right side
    631,829.06x = 301,118,410,975.01
  5. Step 5: Solve for x
    x = 301,118,410,975.01/631,829.06
  6. Step 6: Final answer
    x = 476,582.09

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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.