Home / 847,758.18-1,271,634.03-216,670.98

Finding the Fourth Proportional to 847,758.18, 1,271,634.03 and 216,670.98

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Solution

The fourth proportional to 847,758.18, 1,271,634.03 and 216,670.98 is: 325,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,758.18 : 1,271,634.03 = 216,670.98 : x
  2. Step 2: Convert to fraction form
    847,758.18/1,271,634.03 = 216,670.98/x
  3. Step 3: Cross multiply
    847,758.18x = 1,271,634.03 × 216,670.98
  4. Step 4: Simplify right side
    847,758.18x = 275,526,191,481.45
  5. Step 5: Solve for x
    x = 275,526,191,481.45/847,758.18
  6. Step 6: Final answer
    x = 325,005.64

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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.