Home / 691,803.20-1,037,704.80-218,536.40

Finding the Fourth Proportional to 691,803.20, 1,037,704.80 and 218,536.40

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Solution

The fourth proportional to 691,803.20, 1,037,704.80 and 218,536.40 is: 327,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,803.20 : 1,037,704.80 = 218,536.40 : x
  2. Step 2: Convert to fraction form
    691,803.20/1,037,704.80 = 218,536.40/x
  3. Step 3: Cross multiply
    691,803.20x = 1,037,704.80 × 218,536.40
  4. Step 4: Simplify right side
    691,803.20x = 226,776,271,254.72
  5. Step 5: Solve for x
    x = 226,776,271,254.72/691,803.20
  6. Step 6: Final answer
    x = 327,804.60

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Similar ratio
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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.