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Finding the Fourth Proportional to 565,213.02, 779,991.75 and 323,494.62

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Solution

The fourth proportional to 565,213.02, 779,991.75 and 323,494.62 is: 446,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,213.02 : 779,991.75 = 323,494.62 : x
  2. Step 2: Convert to fraction form
    565,213.02/779,991.75 = 323,494.62/x
  3. Step 3: Cross multiply
    565,213.02x = 779,991.75 × 323,494.62
  4. Step 4: Simplify right side
    565,213.02x = 252,323,134,769.39
  5. Step 5: Solve for x
    x = 252,323,134,769.39/565,213.02
  6. Step 6: Final answer
    x = 446,421.31

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Double scale
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1.5x scale

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.