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Finding the Fourth Proportional to 560,348.27, 773,289.28 and 305,699.46

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Solution

The fourth proportional to 560,348.27, 773,289.28 and 305,699.46 is: 421,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,348.27 : 773,289.28 = 305,699.46 : x
  2. Step 2: Convert to fraction form
    560,348.27/773,289.28 = 305,699.46/x
  3. Step 3: Cross multiply
    560,348.27x = 773,289.28 × 305,699.46
  4. Step 4: Simplify right side
    560,348.27x = 236,394,115,319.79
  5. Step 5: Solve for x
    x = 236,394,115,319.79/560,348.27
  6. Step 6: Final answer
    x = 421,869.98

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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.