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Finding the Fourth Proportional to 670,650.57, 925,503.98 and 364,729.91

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Solution

The fourth proportional to 670,650.57, 925,503.98 and 364,729.91 is: 503,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,650.57 : 925,503.98 = 364,729.91 : x
  2. Step 2: Convert to fraction form
    670,650.57/925,503.98 = 364,729.91/x
  3. Step 3: Cross multiply
    670,650.57x = 925,503.98 × 364,729.91
  4. Step 4: Simplify right side
    670,650.57x = 337,558,976,878.87
  5. Step 5: Solve for x
    x = 337,558,976,878.87/670,650.57
  6. Step 6: Final answer
    x = 503,330.63

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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.