Home / 757,467.40-1,134,670.20-472,282.60

Finding the Fourth Proportional to 757,467.40, 1,134,670.20 and 472,282.60

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Solution

The fourth proportional to 757,467.40, 1,134,670.20 and 472,282.60 is: 707,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,467.40 : 1,134,670.20 = 472,282.60 : x
  2. Step 2: Convert to fraction form
    757,467.40/1,134,670.20 = 472,282.60/x
  3. Step 3: Cross multiply
    757,467.40x = 1,134,670.20 × 472,282.60
  4. Step 4: Simplify right side
    757,467.40x = 535,884,992,198.52
  5. Step 5: Solve for x
    x = 535,884,992,198.52/757,467.40
  6. Step 6: Final answer
    x = 707,469.38

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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.