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Finding the Fourth Proportional to 488,645.36, 733,055.52 and 251,924.48

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Solution

The fourth proportional to 488,645.36, 733,055.52 and 251,924.48 is: 377,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,645.36 : 733,055.52 = 251,924.48 : x
  2. Step 2: Convert to fraction form
    488,645.36/733,055.52 = 251,924.48/x
  3. Step 3: Cross multiply
    488,645.36x = 733,055.52 × 251,924.48
  4. Step 4: Simplify right side
    488,645.36x = 184,674,630,687.13
  5. Step 5: Solve for x
    x = 184,674,630,687.13/488,645.36
  6. Step 6: Final answer
    x = 377,931.82

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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.