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Finding the Fourth Proportional to 670,391.67, 925,158.77 and 364,488.65

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Solution

The fourth proportional to 670,391.67, 925,158.77 and 364,488.65 is: 503,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,391.67 : 925,158.77 = 364,488.65 : x
  2. Step 2: Convert to fraction form
    670,391.67/925,158.77 = 364,488.65/x
  3. Step 3: Cross multiply
    670,391.67x = 925,158.77 × 364,488.65
  4. Step 4: Simplify right side
    670,391.67x = 337,209,864,664.72
  5. Step 5: Solve for x
    x = 337,209,864,664.72/670,391.67
  6. Step 6: Final answer
    x = 503,004.26

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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.