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Finding the Fourth Proportional to 404,332.79, 605,237.10 and 297,836.82

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Solution

The fourth proportional to 404,332.79, 605,237.10 and 297,836.82 is: 445,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,332.79 : 605,237.10 = 297,836.82 : x
  2. Step 2: Convert to fraction form
    404,332.79/605,237.10 = 297,836.82/x
  3. Step 3: Cross multiply
    404,332.79x = 605,237.10 × 297,836.82
  4. Step 4: Simplify right side
    404,332.79x = 180,261,893,210.02
  5. Step 5: Solve for x
    x = 180,261,893,210.02/404,332.79
  6. Step 6: Final answer
    x = 445,825.57

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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.