Home / 630,857.05-946,051.75-225,986.16

Finding the Fourth Proportional to 630,857.05, 946,051.75 and 225,986.16

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Solution

The fourth proportional to 630,857.05, 946,051.75 and 225,986.16 is: 338,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,857.05 : 946,051.75 = 225,986.16 : x
  2. Step 2: Convert to fraction form
    630,857.05/946,051.75 = 225,986.16/x
  3. Step 3: Cross multiply
    630,857.05x = 946,051.75 × 225,986.16
  4. Step 4: Simplify right side
    630,857.05x = 213,794,602,143.78
  5. Step 5: Solve for x
    x = 213,794,602,143.78/630,857.05
  6. Step 6: Final answer
    x = 338,895.48

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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.