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Finding the Fourth Proportional to 670,390.92, 925,157.73 and 364,487.90

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Solution

The fourth proportional to 670,390.92, 925,157.73 and 364,487.90 is: 503,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,390.92 : 925,157.73 = 364,487.90 : x
  2. Step 2: Convert to fraction form
    670,390.92/925,157.73 = 364,487.90/x
  3. Step 3: Cross multiply
    670,390.92x = 925,157.73 × 364,487.90
  4. Step 4: Simplify right side
    670,390.92x = 337,208,793,550.68
  5. Step 5: Solve for x
    x = 337,208,793,550.68/670,390.92
  6. Step 6: Final answer
    x = 503,003.22

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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.