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Finding the Fourth Proportional to 599,213.48, 825,777.78 and 429,152.36

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Solution

The fourth proportional to 599,213.48, 825,777.78 and 429,152.36 is: 591,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,213.48 : 825,777.78 = 429,152.36 : x
  2. Step 2: Convert to fraction form
    599,213.48/825,777.78 = 429,152.36/x
  3. Step 3: Cross multiply
    599,213.48x = 825,777.78 × 429,152.36
  4. Step 4: Simplify right side
    599,213.48x = 354,384,483,122.56
  5. Step 5: Solve for x
    x = 354,384,483,122.56/599,213.48
  6. Step 6: Final answer
    x = 591,416.07

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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.