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Finding the Fourth Proportional to 554,556.43, 765,284.52 and 299,907.01

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Solution

The fourth proportional to 554,556.43, 765,284.52 and 299,907.01 is: 413,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,556.43 : 765,284.52 = 299,907.01 : x
  2. Step 2: Convert to fraction form
    554,556.43/765,284.52 = 299,907.01/x
  3. Step 3: Cross multiply
    554,556.43x = 765,284.52 × 299,907.01
  4. Step 4: Simplify right side
    554,556.43x = 229,514,192,192.49
  5. Step 5: Solve for x
    x = 229,514,192,192.49/554,556.43
  6. Step 6: Final answer
    x = 413,869.86

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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.