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Finding the Fourth Proportional to 670,850.32, 925,763.52 and 364,919.44

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Solution

The fourth proportional to 670,850.32, 925,763.52 and 364,919.44 is: 503,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,850.32 : 925,763.52 = 364,919.44 : x
  2. Step 2: Convert to fraction form
    670,850.32/925,763.52 = 364,919.44/x
  3. Step 3: Cross multiply
    670,850.32x = 925,763.52 × 364,919.44
  4. Step 4: Simplify right side
    670,850.32x = 337,829,105,290.83
  5. Step 5: Solve for x
    x = 337,829,105,290.83/670,850.32
  6. Step 6: Final answer
    x = 503,583.43

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Half scale
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Double scale
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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.