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Finding the Fourth Proportional to 560,274.84, 773,184.87 and 305,631.36

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Solution

The fourth proportional to 560,274.84, 773,184.87 and 305,631.36 is: 421,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,274.84 : 773,184.87 = 305,631.36 : x
  2. Step 2: Convert to fraction form
    560,274.84/773,184.87 = 305,631.36/x
  3. Step 3: Cross multiply
    560,274.84x = 773,184.87 × 305,631.36
  4. Step 4: Simplify right side
    560,274.84x = 236,309,543,349.52
  5. Step 5: Solve for x
    x = 236,309,543,349.52/560,274.84
  6. Step 6: Final answer
    x = 421,774.33

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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.