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Finding the Fourth Proportional to 565,606, 780,541.36 and 307,483.48

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Solution

The fourth proportional to 565,606, 780,541.36 and 307,483.48 is: 424,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,606 : 780,541.36 = 307,483.48 : x
  2. Step 2: Convert to fraction form
    565,606/780,541.36 = 307,483.48/x
  3. Step 3: Cross multiply
    565,606x = 780,541.36 × 307,483.48
  4. Step 4: Simplify right side
    565,606x = 240,003,573,656.73
  5. Step 5: Solve for x
    x = 240,003,573,656.73/565,606
  6. Step 6: Final answer
    x = 424,329.96

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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.