Home / 631,537.80-947,455.64-205,072.24

Finding the Fourth Proportional to 631,537.80, 947,455.64 and 205,072.24

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Solution

The fourth proportional to 631,537.80, 947,455.64 and 205,072.24 is: 307,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,537.80 : 947,455.64 = 205,072.24 : x
  2. Step 2: Convert to fraction form
    631,537.80/947,455.64 = 205,072.24/x
  3. Step 3: Cross multiply
    631,537.80x = 947,455.64 × 205,072.24
  4. Step 4: Simplify right side
    631,537.80x = 194,296,850,395.43
  5. Step 5: Solve for x
    x = 194,296,850,395.43/631,537.80
  6. Step 6: Final answer
    x = 307,656.72

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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.