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Finding the Fourth Proportional to 554,379.83, 765,045.27 and 299,731.01

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Solution

The fourth proportional to 554,379.83, 765,045.27 and 299,731.01 is: 413,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,379.83 : 765,045.27 = 299,731.01 : x
  2. Step 2: Convert to fraction form
    554,379.83/765,045.27 = 299,731.01/x
  3. Step 3: Cross multiply
    554,379.83x = 765,045.27 × 299,731.01
  4. Step 4: Simplify right side
    554,379.83x = 229,307,793,385.44
  5. Step 5: Solve for x
    x = 229,307,793,385.44/554,379.83
  6. Step 6: Final answer
    x = 413,629.40

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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.