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Finding the Fourth Proportional to 605,443.61, 835,488.68 and 363,859.09

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Solution

The fourth proportional to 605,443.61, 835,488.68 and 363,859.09 is: 502,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,443.61 : 835,488.68 = 363,859.09 : x
  2. Step 2: Convert to fraction form
    605,443.61/835,488.68 = 363,859.09/x
  3. Step 3: Cross multiply
    605,443.61x = 835,488.68 × 363,859.09
  4. Step 4: Simplify right side
    605,443.61x = 304,000,146,902.08
  5. Step 5: Solve for x
    x = 304,000,146,902.08/605,443.61
  6. Step 6: Final answer
    x = 502,111.41

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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.