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Finding the Fourth Proportional to 526,523.20, 788,229.60 and 349,230.40

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Solution

The fourth proportional to 526,523.20, 788,229.60 and 349,230.40 is: 522,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,523.20 : 788,229.60 = 349,230.40 : x
  2. Step 2: Convert to fraction form
    526,523.20/788,229.60 = 349,230.40/x
  3. Step 3: Cross multiply
    526,523.20x = 788,229.60 × 349,230.40
  4. Step 4: Simplify right side
    526,523.20x = 275,273,738,499.84
  5. Step 5: Solve for x
    x = 275,273,738,499.84/526,523.20
  6. Step 6: Final answer
    x = 522,814.07

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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.