Home / 847,767.18-1,271,647.53-216,679.98

Finding the Fourth Proportional to 847,767.18, 1,271,647.53 and 216,679.98

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Solution

The fourth proportional to 847,767.18, 1,271,647.53 and 216,679.98 is: 325,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,767.18 : 1,271,647.53 = 216,679.98 : x
  2. Step 2: Convert to fraction form
    847,767.18/1,271,647.53 = 216,679.98/x
  3. Step 3: Cross multiply
    847,767.18x = 1,271,647.53 × 216,679.98
  4. Step 4: Simplify right side
    847,767.18x = 275,540,561,367.45
  5. Step 5: Solve for x
    x = 275,540,561,367.45/847,767.18
  6. Step 6: Final answer
    x = 325,019.14

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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.