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Finding the Fourth Proportional to 599,122.74, 899,130.45 and 439,610.85

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Solution

The fourth proportional to 599,122.74, 899,130.45 and 439,610.85 is: 659,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,122.74 : 899,130.45 = 439,610.85 : x
  2. Step 2: Convert to fraction form
    599,122.74/899,130.45 = 439,610.85/x
  3. Step 3: Cross multiply
    599,122.74x = 899,130.45 × 439,610.85
  4. Step 4: Simplify right side
    599,122.74x = 395,267,501,385.38
  5. Step 5: Solve for x
    x = 395,267,501,385.38/599,122.74
  6. Step 6: Final answer
    x = 659,743.78

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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.