Home / 847,340.25-1,271,009.21-216,254.04

Finding the Fourth Proportional to 847,340.25, 1,271,009.21 and 216,254.04

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Solution

The fourth proportional to 847,340.25, 1,271,009.21 and 216,254.04 is: 324,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,340.25 : 1,271,009.21 = 216,254.04 : x
  2. Step 2: Convert to fraction form
    847,340.25/1,271,009.21 = 216,254.04/x
  3. Step 3: Cross multiply
    847,340.25x = 1,271,009.21 × 216,254.04
  4. Step 4: Simplify right side
    847,340.25x = 274,860,875,458.44
  5. Step 5: Solve for x
    x = 274,860,875,458.44/847,340.25
  6. Step 6: Final answer
    x = 324,380.76

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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.