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Finding the Fourth Proportional to 554,477.07, 765,179.18 and 299,828.26

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Solution

The fourth proportional to 554,477.07, 765,179.18 and 299,828.26 is: 413,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,477.07 : 765,179.18 = 299,828.26 : x
  2. Step 2: Convert to fraction form
    554,477.07/765,179.18 = 299,828.26/x
  3. Step 3: Cross multiply
    554,477.07x = 765,179.18 × 299,828.26
  4. Step 4: Simplify right side
    554,477.07x = 229,422,342,127.63
  5. Step 5: Solve for x
    x = 229,422,342,127.63/554,477.07
  6. Step 6: Final answer
    x = 413,763.44

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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.