Home / 791,105.01-1,091,730.16-428,528.87

Finding the Fourth Proportional to 791,105.01, 1,091,730.16 and 428,528.87

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Solution

The fourth proportional to 791,105.01, 1,091,730.16 and 428,528.87 is: 591,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,105.01 : 1,091,730.16 = 428,528.87 : x
  2. Step 2: Convert to fraction form
    791,105.01/1,091,730.16 = 428,528.87/x
  3. Step 3: Cross multiply
    791,105.01x = 1,091,730.16 × 428,528.87
  4. Step 4: Simplify right side
    791,105.01x = 467,837,889,373.73
  5. Step 5: Solve for x
    x = 467,837,889,373.73/791,105.01
  6. Step 6: Final answer
    x = 591,372.68

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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.