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Finding the Fourth Proportional to 565,911.36, 780,967.98 and 307,793.52

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Solution

The fourth proportional to 565,911.36, 780,967.98 and 307,793.52 is: 424,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,911.36 : 780,967.98 = 307,793.52 : x
  2. Step 2: Convert to fraction form
    565,911.36/780,967.98 = 307,793.52/x
  3. Step 3: Cross multiply
    565,911.36x = 780,967.98 × 307,793.52
  4. Step 4: Simplify right side
    565,911.36x = 240,376,883,571.49
  5. Step 5: Solve for x
    x = 240,376,883,571.49/565,911.36
  6. Step 6: Final answer
    x = 424,760.66

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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.