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Finding the Fourth Proportional to 560,817.27, 773,898.56 and 306,119.25

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Solution

The fourth proportional to 560,817.27, 773,898.56 and 306,119.25 is: 422,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,817.27 : 773,898.56 = 306,119.25 : x
  2. Step 2: Convert to fraction form
    560,817.27/773,898.56 = 306,119.25/x
  3. Step 3: Cross multiply
    560,817.27x = 773,898.56 × 306,119.25
  4. Step 4: Simplify right side
    560,817.27x = 236,905,250,430.70
  5. Step 5: Solve for x
    x = 236,905,250,430.70/560,817.27
  6. Step 6: Final answer
    x = 422,428.59

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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.