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Finding the Fourth Proportional to 565,217.07, 779,954.31 and 323,444.22

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Solution

The fourth proportional to 565,217.07, 779,954.31 and 323,444.22 is: 446,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,217.07 : 779,954.31 = 323,444.22 : x
  2. Step 2: Convert to fraction form
    565,217.07/779,954.31 = 323,444.22/x
  3. Step 3: Cross multiply
    565,217.07x = 779,954.31 × 323,444.22
  4. Step 4: Simplify right side
    565,217.07x = 252,271,713,433.59
  5. Step 5: Solve for x
    x = 252,271,713,433.59/565,217.07
  6. Step 6: Final answer
    x = 446,327.13

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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.