Home / 481,313.04-664,003.50-290,220.27

Finding the Fourth Proportional to 481,313.04, 664,003.50 and 290,220.27

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Solution

The fourth proportional to 481,313.04, 664,003.50 and 290,220.27 is: 400,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,313.04 : 664,003.50 = 290,220.27 : x
  2. Step 2: Convert to fraction form
    481,313.04/664,003.50 = 290,220.27/x
  3. Step 3: Cross multiply
    481,313.04x = 664,003.50 × 290,220.27
  4. Step 4: Simplify right side
    481,313.04x = 192,707,275,050.95
  5. Step 5: Solve for x
    x = 192,707,275,050.95/481,313.04
  6. Step 6: Final answer
    x = 400,378.25

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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.