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Finding the Fourth Proportional to 477,597.77, 659,061.09 and 262,732.31

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Solution

The fourth proportional to 477,597.77, 659,061.09 and 262,732.31 is: 362,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,597.77 : 659,061.09 = 262,732.31 : x
  2. Step 2: Convert to fraction form
    477,597.77/659,061.09 = 262,732.31/x
  3. Step 3: Cross multiply
    477,597.77x = 659,061.09 × 262,732.31
  4. Step 4: Simplify right side
    477,597.77x = 173,156,641,782.99
  5. Step 5: Solve for x
    x = 173,156,641,782.99/477,597.77
  6. Step 6: Final answer
    x = 362,557.48

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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.