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Finding the Fourth Proportional to 637,901.39, 956,519.87 and 300,851.55

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Solution

The fourth proportional to 637,901.39, 956,519.87 and 300,851.55 is: 451,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,901.39 : 956,519.87 = 300,851.55 : x
  2. Step 2: Convert to fraction form
    637,901.39/956,519.87 = 300,851.55/x
  3. Step 3: Cross multiply
    637,901.39x = 956,519.87 × 300,851.55
  4. Step 4: Simplify right side
    637,901.39x = 287,770,483,991.04
  5. Step 5: Solve for x
    x = 287,770,483,991.04/637,901.39
  6. Step 6: Final answer
    x = 451,120.64

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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.