Home / 770,861.08-1,063,818.12-431,322.04

Finding the Fourth Proportional to 770,861.08, 1,063,818.12 and 431,322.04

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Solution

The fourth proportional to 770,861.08, 1,063,818.12 and 431,322.04 is: 595,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,861.08 : 1,063,818.12 = 431,322.04 : x
  2. Step 2: Convert to fraction form
    770,861.08/1,063,818.12 = 431,322.04/x
  3. Step 3: Cross multiply
    770,861.08x = 1,063,818.12 × 431,322.04
  4. Step 4: Simplify right side
    770,861.08x = 458,848,201,707.37
  5. Step 5: Solve for x
    x = 458,848,201,707.37/770,861.08
  6. Step 6: Final answer
    x = 595,241.11

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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.