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Finding the Fourth Proportional to 551,477.08, 827,924.03 and 425,197.54

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Solution

The fourth proportional to 551,477.08, 827,924.03 and 425,197.54 is: 638,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,477.08 : 827,924.03 = 425,197.54 : x
  2. Step 2: Convert to fraction form
    551,477.08/827,924.03 = 425,197.54/x
  3. Step 3: Cross multiply
    551,477.08x = 827,924.03 × 425,197.54
  4. Step 4: Simplify right side
    551,477.08x = 352,031,260,862.89
  5. Step 5: Solve for x
    x = 352,031,260,862.89/551,477.08
  6. Step 6: Final answer
    x = 638,342.51

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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.