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Finding the Fourth Proportional to 670,579.22, 925,380.86 and 368,773.22

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Solution

The fourth proportional to 670,579.22, 925,380.86 and 368,773.22 is: 508,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,579.22 : 925,380.86 = 368,773.22 : x
  2. Step 2: Convert to fraction form
    670,579.22/925,380.86 = 368,773.22/x
  3. Step 3: Cross multiply
    670,579.22x = 925,380.86 × 368,773.22
  4. Step 4: Simplify right side
    670,579.22x = 341,255,679,468.57
  5. Step 5: Solve for x
    x = 341,255,679,468.57/670,579.22
  6. Step 6: Final answer
    x = 508,896.89

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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.