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Finding the Fourth Proportional to 554,873.68, 765,313.60 and 337,081.44

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Solution

The fourth proportional to 554,873.68, 765,313.60 and 337,081.44 is: 464,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,873.68 : 765,313.60 = 337,081.44 : x
  2. Step 2: Convert to fraction form
    554,873.68/765,313.60 = 337,081.44/x
  3. Step 3: Cross multiply
    554,873.68x = 765,313.60 × 337,081.44
  4. Step 4: Simplify right side
    554,873.68x = 257,973,010,339.58
  5. Step 5: Solve for x
    x = 257,973,010,339.58/554,873.68
  6. Step 6: Final answer
    x = 464,922.05

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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.