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Finding the Fourth Proportional to 628,668.08, 942,978.88 and 273,682.88

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Solution

The fourth proportional to 628,668.08, 942,978.88 and 273,682.88 is: 410,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,668.08 : 942,978.88 = 273,682.88 : x
  2. Step 2: Convert to fraction form
    628,668.08/942,978.88 = 273,682.88/x
  3. Step 3: Cross multiply
    628,668.08x = 942,978.88 × 273,682.88
  4. Step 4: Simplify right side
    628,668.08x = 258,077,175,657.57
  5. Step 5: Solve for x
    x = 258,077,175,657.57/628,668.08
  6. Step 6: Final answer
    x = 410,514.20

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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.