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Finding the Fourth Proportional to 556,550.53, 768,039.98 and 314,827.95

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Solution

The fourth proportional to 556,550.53, 768,039.98 and 314,827.95 is: 434,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,550.53 : 768,039.98 = 314,827.95 : x
  2. Step 2: Convert to fraction form
    556,550.53/768,039.98 = 314,827.95/x
  3. Step 3: Cross multiply
    556,550.53x = 768,039.98 × 314,827.95
  4. Step 4: Simplify right side
    556,550.53x = 241,800,451,288.41
  5. Step 5: Solve for x
    x = 241,800,451,288.41/556,550.53
  6. Step 6: Final answer
    x = 434,462.71

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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.