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Finding the Fourth Proportional to 538,384.44, 806,814.72 and 298,603.89

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Solution

The fourth proportional to 538,384.44, 806,814.72 and 298,603.89 is: 447,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,384.44 : 806,814.72 = 298,603.89 : x
  2. Step 2: Convert to fraction form
    538,384.44/806,814.72 = 298,603.89/x
  3. Step 3: Cross multiply
    538,384.44x = 806,814.72 × 298,603.89
  4. Step 4: Simplify right side
    538,384.44x = 240,918,013,901.26
  5. Step 5: Solve for x
    x = 240,918,013,901.26/538,384.44
  6. Step 6: Final answer
    x = 447,483.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.