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Finding the Fourth Proportional to 605,305.45, 835,259.70 and 372,695.44

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Solution

The fourth proportional to 605,305.45, 835,259.70 and 372,695.44 is: 514,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,305.45 : 835,259.70 = 372,695.44 : x
  2. Step 2: Convert to fraction form
    605,305.45/835,259.70 = 372,695.44/x
  3. Step 3: Cross multiply
    605,305.45x = 835,259.70 × 372,695.44
  4. Step 4: Simplify right side
    605,305.45x = 311,297,481,405.77
  5. Step 5: Solve for x
    x = 311,297,481,405.77/605,305.45
  6. Step 6: Final answer
    x = 514,281.64

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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.