Home / 682,385.50-941,387.70-395,739.46

Finding the Fourth Proportional to 682,385.50, 941,387.70 and 395,739.46

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Solution

The fourth proportional to 682,385.50, 941,387.70 and 395,739.46 is: 545,943.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,385.50 : 941,387.70 = 395,739.46 : x
  2. Step 2: Convert to fraction form
    682,385.50/941,387.70 = 395,739.46/x
  3. Step 3: Cross multiply
    682,385.50x = 941,387.70 × 395,739.46
  4. Step 4: Simplify right side
    682,385.50x = 372,544,260,048.64
  5. Step 5: Solve for x
    x = 372,544,260,048.64/682,385.50
  6. Step 6: Final answer
    x = 545,943.99

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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.