Home / 791,104.62-1,091,729.61-428,528.47

Finding the Fourth Proportional to 791,104.62, 1,091,729.61 and 428,528.47

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Solution

The fourth proportional to 791,104.62, 1,091,729.61 and 428,528.47 is: 591,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,104.62 : 1,091,729.61 = 428,528.47 : x
  2. Step 2: Convert to fraction form
    791,104.62/1,091,729.61 = 428,528.47/x
  3. Step 3: Cross multiply
    791,104.62x = 1,091,729.61 × 428,528.47
  4. Step 4: Simplify right side
    791,104.62x = 467,837,219,427.00
  5. Step 5: Solve for x
    x = 467,837,219,427.00/791,104.62
  6. Step 6: Final answer
    x = 591,372.13

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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.