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Finding the Fourth Proportional to 560,847.52, 774,058.44 and 356,685.58

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Solution

The fourth proportional to 560,847.52, 774,058.44 and 356,685.58 is: 492,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,847.52 : 774,058.44 = 356,685.58 : x
  2. Step 2: Convert to fraction form
    560,847.52/774,058.44 = 356,685.58/x
  3. Step 3: Cross multiply
    560,847.52x = 774,058.44 × 356,685.58
  4. Step 4: Simplify right side
    560,847.52x = 276,095,483,625.30
  5. Step 5: Solve for x
    x = 276,095,483,625.30/560,847.52
  6. Step 6: Final answer
    x = 492,282.61

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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.