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Finding the Fourth Proportional to 565,488, 780,373.44 and 323,850.52

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Solution

The fourth proportional to 565,488, 780,373.44 and 323,850.52 is: 446,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,488 : 780,373.44 = 323,850.52 : x
  2. Step 2: Convert to fraction form
    565,488/780,373.44 = 323,850.52/x
  3. Step 3: Cross multiply
    565,488x = 780,373.44 × 323,850.52
  4. Step 4: Simplify right side
    565,488x = 252,724,345,313.66
  5. Step 5: Solve for x
    x = 252,724,345,313.66/565,488
  6. Step 6: Final answer
    x = 446,913.72

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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.