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Finding the Fourth Proportional to 554,594.52, 765,336.78 and 299,944.92

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Solution

The fourth proportional to 554,594.52, 765,336.78 and 299,944.92 is: 413,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,594.52 : 765,336.78 = 299,944.92 : x
  2. Step 2: Convert to fraction form
    554,594.52/765,336.78 = 299,944.92/x
  3. Step 3: Cross multiply
    554,594.52x = 765,336.78 × 299,944.92
  4. Step 4: Simplify right side
    554,594.52x = 229,558,879,250.16
  5. Step 5: Solve for x
    x = 229,558,879,250.16/554,594.52
  6. Step 6: Final answer
    x = 413,922.01

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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.