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Finding the Fourth Proportional to 637,605.47, 956,242.09 and 300,556.64

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Solution

The fourth proportional to 637,605.47, 956,242.09 and 300,556.64 is: 450,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,605.47 : 956,242.09 = 300,556.64 : x
  2. Step 2: Convert to fraction form
    637,605.47/956,242.09 = 300,556.64/x
  3. Step 3: Cross multiply
    637,605.47x = 956,242.09 × 300,556.64
  4. Step 4: Simplify right side
    637,605.47x = 287,404,912,363.28
  5. Step 5: Solve for x
    x = 287,404,912,363.28/637,605.47
  6. Step 6: Final answer
    x = 450,756.66

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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.