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Finding the Fourth Proportional to 528,008.20, 792,012.30 and 341,230.60

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Solution

The fourth proportional to 528,008.20, 792,012.30 and 341,230.60 is: 511,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,008.20 : 792,012.30 = 341,230.60 : x
  2. Step 2: Convert to fraction form
    528,008.20/792,012.30 = 341,230.60/x
  3. Step 3: Cross multiply
    528,008.20x = 792,012.30 × 341,230.60
  4. Step 4: Simplify right side
    528,008.20x = 270,258,832,336.38
  5. Step 5: Solve for x
    x = 270,258,832,336.38/528,008.20
  6. Step 6: Final answer
    x = 511,845.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.