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Finding the Fourth Proportional to 560,211.37, 773,062.82 and 305,513.35

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Solution

The fourth proportional to 560,211.37, 773,062.82 and 305,513.35 is: 421,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,211.37 : 773,062.82 = 305,513.35 : x
  2. Step 2: Convert to fraction form
    560,211.37/773,062.82 = 305,513.35/x
  3. Step 3: Cross multiply
    560,211.37x = 773,062.82 × 305,513.35
  4. Step 4: Simplify right side
    560,211.37x = 236,181,009,584.10
  5. Step 5: Solve for x
    x = 236,181,009,584.10/560,211.37
  6. Step 6: Final answer
    x = 421,592.68

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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.