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Finding the Fourth Proportional to 565,170.74, 779,890.38 and 323,397.89

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Solution

The fourth proportional to 565,170.74, 779,890.38 and 323,397.89 is: 446,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,170.74 : 779,890.38 = 323,397.89 : x
  2. Step 2: Convert to fraction form
    565,170.74/779,890.38 = 323,397.89/x
  3. Step 3: Cross multiply
    565,170.74x = 779,890.38 × 323,397.89
  4. Step 4: Simplify right side
    565,170.74x = 252,214,903,323.30
  5. Step 5: Solve for x
    x = 252,214,903,323.30/565,170.74
  6. Step 6: Final answer
    x = 446,263.20

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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.