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Finding the Fourth Proportional to 659,354.36, 909,860.31 and 368,927.37

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Solution

The fourth proportional to 659,354.36, 909,860.31 and 368,927.37 is: 509,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,354.36 : 909,860.31 = 368,927.37 : x
  2. Step 2: Convert to fraction form
    659,354.36/909,860.31 = 368,927.37/x
  3. Step 3: Cross multiply
    659,354.36x = 909,860.31 × 368,927.37
  4. Step 4: Simplify right side
    659,354.36x = 335,672,371,235.69
  5. Step 5: Solve for x
    x = 335,672,371,235.69/659,354.36
  6. Step 6: Final answer
    x = 509,092.52

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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.