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Finding the Fourth Proportional to 670,707, 925,578.09 and 364,783.37

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Solution

The fourth proportional to 670,707, 925,578.09 and 364,783.37 is: 503,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,707 : 925,578.09 = 364,783.37 : x
  2. Step 2: Convert to fraction form
    670,707/925,578.09 = 364,783.37/x
  3. Step 3: Cross multiply
    670,707x = 925,578.09 × 364,783.37
  4. Step 4: Simplify right side
    670,707x = 337,635,490,240.47
  5. Step 5: Solve for x
    x = 337,635,490,240.47/670,707
  6. Step 6: Final answer
    x = 503,402.37

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1.5x scale

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.