Home / 691,517.04-1,037,275.74-218,239.44

Finding the Fourth Proportional to 691,517.04, 1,037,275.74 and 218,239.44

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Solution

The fourth proportional to 691,517.04, 1,037,275.74 and 218,239.44 is: 327,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,517.04 : 1,037,275.74 = 218,239.44 : x
  2. Step 2: Convert to fraction form
    691,517.04/1,037,275.74 = 218,239.44/x
  3. Step 3: Cross multiply
    691,517.04x = 1,037,275.74 × 218,239.44
  4. Step 4: Simplify right side
    691,517.04x = 226,374,476,623.19
  5. Step 5: Solve for x
    x = 226,374,476,623.19/691,517.04
  6. Step 6: Final answer
    x = 327,359.22

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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.