Home / 791,168.87-1,091,812.03-428,594.22

Finding the Fourth Proportional to 791,168.87, 1,091,812.03 and 428,594.22

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Solution

The fourth proportional to 791,168.87, 1,091,812.03 and 428,594.22 is: 591,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,168.87 : 1,091,812.03 = 428,594.22 : x
  2. Step 2: Convert to fraction form
    791,168.87/1,091,812.03 = 428,594.22/x
  3. Step 3: Cross multiply
    791,168.87x = 1,091,812.03 × 428,594.22
  4. Step 4: Simplify right side
    791,168.87x = 467,944,324,312.98
  5. Step 5: Solve for x
    x = 467,944,324,312.98/791,168.87
  6. Step 6: Final answer
    x = 591,459.47

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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.