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Finding the Fourth Proportional to 605,719, 835,909.50 and 337,464.28

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Solution

The fourth proportional to 605,719, 835,909.50 and 337,464.28 is: 465,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,719 : 835,909.50 = 337,464.28 : x
  2. Step 2: Convert to fraction form
    605,719/835,909.50 = 337,464.28/x
  3. Step 3: Cross multiply
    605,719x = 835,909.50 × 337,464.28
  4. Step 4: Simplify right side
    605,719x = 282,089,597,562.66
  5. Step 5: Solve for x
    x = 282,089,597,562.66/605,719
  6. Step 6: Final answer
    x = 465,710.33

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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.