Home / 797,720.42-1,100,861.21-435,145.89

Finding the Fourth Proportional to 797,720.42, 1,100,861.21 and 435,145.89

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Solution

The fourth proportional to 797,720.42, 1,100,861.21 and 435,145.89 is: 600,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,720.42 : 1,100,861.21 = 435,145.89 : x
  2. Step 2: Convert to fraction form
    797,720.42/1,100,861.21 = 435,145.89/x
  3. Step 3: Cross multiply
    797,720.42x = 1,100,861.21 × 435,145.89
  4. Step 4: Simplify right side
    797,720.42x = 479,035,230,991.93
  5. Step 5: Solve for x
    x = 479,035,230,991.93/797,720.42
  6. Step 6: Final answer
    x = 600,505.16

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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.