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Finding the Fourth Proportional to 565,954.89, 780,995.14 and 307,832.05

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Solution

The fourth proportional to 565,954.89, 780,995.14 and 307,832.05 is: 424,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,954.89 : 780,995.14 = 307,832.05 : x
  2. Step 2: Convert to fraction form
    565,954.89/780,995.14 = 307,832.05/x
  3. Step 3: Cross multiply
    565,954.89x = 780,995.14 × 307,832.05
  4. Step 4: Simplify right side
    565,954.89x = 240,415,334,986.24
  5. Step 5: Solve for x
    x = 240,415,334,986.24/565,954.89
  6. Step 6: Final answer
    x = 424,795.93

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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.