Home / 889,835.49-1,334,742.10-215,922.38

Finding the Fourth Proportional to 889,835.49, 1,334,742.10 and 215,922.38

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Solution

The fourth proportional to 889,835.49, 1,334,742.10 and 215,922.38 is: 323,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,835.49 : 1,334,742.10 = 215,922.38 : x
  2. Step 2: Convert to fraction form
    889,835.49/1,334,742.10 = 215,922.38/x
  3. Step 3: Cross multiply
    889,835.49x = 1,334,742.10 × 215,922.38
  4. Step 4: Simplify right side
    889,835.49x = 288,200,683,704.68
  5. Step 5: Solve for x
    x = 288,200,683,704.68/889,835.49
  6. Step 6: Final answer
    x = 323,880.86

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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.