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Finding the Fourth Proportional to 605,465.76, 835,542.84 and 350,964.60

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Solution

The fourth proportional to 605,465.76, 835,542.84 and 350,964.60 is: 484,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,465.76 : 835,542.84 = 350,964.60 : x
  2. Step 2: Convert to fraction form
    605,465.76/835,542.84 = 350,964.60/x
  3. Step 3: Cross multiply
    605,465.76x = 835,542.84 × 350,964.60
  4. Step 4: Simplify right side
    605,465.76x = 293,245,958,623.46
  5. Step 5: Solve for x
    x = 293,245,958,623.46/605,465.76
  6. Step 6: Final answer
    x = 484,331.20

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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.