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Finding the Fourth Proportional to 577,509.38, 865,682.34 and 240,736.34

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Solution

The fourth proportional to 577,509.38, 865,682.34 and 240,736.34 is: 360,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,509.38 : 865,682.34 = 240,736.34 : x
  2. Step 2: Convert to fraction form
    577,509.38/865,682.34 = 240,736.34/x
  3. Step 3: Cross multiply
    577,509.38x = 865,682.34 × 240,736.34
  4. Step 4: Simplify right side
    577,509.38x = 208,401,198,134.24
  5. Step 5: Solve for x
    x = 208,401,198,134.24/577,509.38
  6. Step 6: Final answer
    x = 360,862.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.