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Finding the Fourth Proportional to 560,301.07, 773,213.88 and 305,650.44

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Solution

The fourth proportional to 560,301.07, 773,213.88 and 305,650.44 is: 421,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,301.07 : 773,213.88 = 305,650.44 : x
  2. Step 2: Convert to fraction form
    560,301.07/773,213.88 = 305,650.44/x
  3. Step 3: Cross multiply
    560,301.07x = 773,213.88 × 305,650.44
  4. Step 4: Simplify right side
    560,301.07x = 236,333,162,636.11
  5. Step 5: Solve for x
    x = 236,333,162,636.11/560,301.07
  6. Step 6: Final answer
    x = 421,796.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.