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Finding the Fourth Proportional to 565,246.72, 779,816.96 and 364,160

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Solution

The fourth proportional to 565,246.72, 779,816.96 and 364,160 is: 502,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,246.72 : 779,816.96 = 364,160 : x
  2. Step 2: Convert to fraction form
    565,246.72/779,816.96 = 364,160/x
  3. Step 3: Cross multiply
    565,246.72x = 779,816.96 × 364,160
  4. Step 4: Simplify right side
    565,246.72x = 283,978,144,153.60
  5. Step 5: Solve for x
    x = 283,978,144,153.60/565,246.72
  6. Step 6: Final answer
    x = 502,396.80

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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.