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Finding the Fourth Proportional to 518,924.32, 778,480.56 and 234,748.72

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Solution

The fourth proportional to 518,924.32, 778,480.56 and 234,748.72 is: 352,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,924.32 : 778,480.56 = 234,748.72 : x
  2. Step 2: Convert to fraction form
    518,924.32/778,480.56 = 234,748.72/x
  3. Step 3: Cross multiply
    518,924.32x = 778,480.56 × 234,748.72
  4. Step 4: Simplify right side
    518,924.32x = 182,747,315,004.88
  5. Step 5: Solve for x
    x = 182,747,315,004.88/518,924.32
  6. Step 6: Final answer
    x = 352,165.64

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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.