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Finding the Fourth Proportional to 560,189.73, 773,072.34 and 305,550.03

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Solution

The fourth proportional to 560,189.73, 773,072.34 and 305,550.03 is: 421,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,189.73 : 773,072.34 = 305,550.03 : x
  2. Step 2: Convert to fraction form
    560,189.73/773,072.34 = 305,550.03/x
  3. Step 3: Cross multiply
    560,189.73x = 773,072.34 × 305,550.03
  4. Step 4: Simplify right side
    560,189.73x = 236,212,276,679.17
  5. Step 5: Solve for x
    x = 236,212,276,679.17/560,189.73
  6. Step 6: Final answer
    x = 421,664.78

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1.5x scale

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.