Home / 630,629.09-945,485.38-251,436.09

Finding the Fourth Proportional to 630,629.09, 945,485.38 and 251,436.09

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Solution

The fourth proportional to 630,629.09, 945,485.38 and 251,436.09 is: 376,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,629.09 : 945,485.38 = 251,436.09 : x
  2. Step 2: Convert to fraction form
    630,629.09/945,485.38 = 251,436.09/x
  3. Step 3: Cross multiply
    630,629.09x = 945,485.38 × 251,436.09
  4. Step 4: Simplify right side
    630,629.09x = 237,729,146,470.77
  5. Step 5: Solve for x
    x = 237,729,146,470.77/630,629.09
  6. Step 6: Final answer
    x = 376,971.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.