Home / 723,866.37-1,085,448.56-218,334.03

Finding the Fourth Proportional to 723,866.37, 1,085,448.56 and 218,334.03

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Solution

The fourth proportional to 723,866.37, 1,085,448.56 and 218,334.03 is: 327,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,866.37 : 1,085,448.56 = 218,334.03 : x
  2. Step 2: Convert to fraction form
    723,866.37/1,085,448.56 = 218,334.03/x
  3. Step 3: Cross multiply
    723,866.37x = 1,085,448.56 × 218,334.03
  4. Step 4: Simplify right side
    723,866.37x = 236,990,357,370.83
  5. Step 5: Solve for x
    x = 236,990,357,370.83/723,866.37
  6. Step 6: Final answer
    x = 327,395.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.