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Finding the Fourth Proportional to 565,246.86, 779,261.22 and 450,913.56

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Solution

The fourth proportional to 565,246.86, 779,261.22 and 450,913.56 is: 621,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,246.86 : 779,261.22 = 450,913.56 : x
  2. Step 2: Convert to fraction form
    565,246.86/779,261.22 = 450,913.56/x
  3. Step 3: Cross multiply
    565,246.86x = 779,261.22 × 450,913.56
  4. Step 4: Simplify right side
    565,246.86x = 351,379,450,880.14
  5. Step 5: Solve for x
    x = 351,379,450,880.14/565,246.86
  6. Step 6: Final answer
    x = 621,638.93

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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.