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Finding the Fourth Proportional to 477,597.88, 659,011.98 and 276,355

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Solution

The fourth proportional to 477,597.88, 659,011.98 and 276,355 is: 381,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,597.88 : 659,011.98 = 276,355 : x
  2. Step 2: Convert to fraction form
    477,597.88/659,011.98 = 276,355/x
  3. Step 3: Cross multiply
    477,597.88x = 659,011.98 × 276,355
  4. Step 4: Simplify right side
    477,597.88x = 182,121,255,732.90
  5. Step 5: Solve for x
    x = 182,121,255,732.90/477,597.88
  6. Step 6: Final answer
    x = 381,327.60

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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.