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Finding the Fourth Proportional to 560,219.28, 773,102.44 and 305,570.32

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Solution

The fourth proportional to 560,219.28, 773,102.44 and 305,570.32 is: 421,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,219.28 : 773,102.44 = 305,570.32 : x
  2. Step 2: Convert to fraction form
    560,219.28/773,102.44 = 305,570.32/x
  3. Step 3: Cross multiply
    560,219.28x = 773,102.44 × 305,570.32
  4. Step 4: Simplify right side
    560,219.28x = 236,237,159,983.58
  5. Step 5: Solve for x
    x = 236,237,159,983.58/560,219.28
  6. Step 6: Final answer
    x = 421,686.95

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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.