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Finding the Fourth Proportional to 565,590.53, 780,520.03 and 307,467.99

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Solution

The fourth proportional to 565,590.53, 780,520.03 and 307,467.99 is: 424,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,590.53 : 780,520.03 = 307,467.99 : x
  2. Step 2: Convert to fraction form
    565,590.53/780,520.03 = 307,467.99/x
  3. Step 3: Cross multiply
    565,590.53x = 780,520.03 × 307,467.99
  4. Step 4: Simplify right side
    565,590.53x = 239,984,924,010.17
  5. Step 5: Solve for x
    x = 239,984,924,010.17/565,590.53
  6. Step 6: Final answer
    x = 424,308.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.