Home / 722,289.25-1,083,431.22-216,848.02

Finding the Fourth Proportional to 722,289.25, 1,083,431.22 and 216,848.02

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Solution

The fourth proportional to 722,289.25, 1,083,431.22 and 216,848.02 is: 325,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,289.25 : 1,083,431.22 = 216,848.02 : x
  2. Step 2: Convert to fraction form
    722,289.25/1,083,431.22 = 216,848.02/x
  3. Step 3: Cross multiply
    722,289.25x = 1,083,431.22 × 216,848.02
  4. Step 4: Simplify right side
    722,289.25x = 234,939,914,863.18
  5. Step 5: Solve for x
    x = 234,939,914,863.18/722,289.25
  6. Step 6: Final answer
    x = 325,271.23

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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.