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Finding the Fourth Proportional to 565,063.68, 779,653.44 and 320,050.56

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Solution

The fourth proportional to 565,063.68, 779,653.44 and 320,050.56 is: 441,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,063.68 : 779,653.44 = 320,050.56 : x
  2. Step 2: Convert to fraction form
    565,063.68/779,653.44 = 320,050.56/x
  3. Step 3: Cross multiply
    565,063.68x = 779,653.44 × 320,050.56
  4. Step 4: Simplify right side
    565,063.68x = 249,528,520,077.93
  5. Step 5: Solve for x
    x = 249,528,520,077.93/565,063.68
  6. Step 6: Final answer
    x = 441,593.63

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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.