Home / 743,510.27-1,115,245.73-211,031.33

Finding the Fourth Proportional to 743,510.27, 1,115,245.73 and 211,031.33

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Solution

The fourth proportional to 743,510.27, 1,115,245.73 and 211,031.33 is: 316,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,510.27 : 1,115,245.73 = 211,031.33 : x
  2. Step 2: Convert to fraction form
    743,510.27/1,115,245.73 = 211,031.33/x
  3. Step 3: Cross multiply
    743,510.27x = 1,115,245.73 × 211,031.33
  4. Step 4: Simplify right side
    743,510.27x = 235,351,784,630.07
  5. Step 5: Solve for x
    x = 235,351,784,630.07/743,510.27
  6. Step 6: Final answer
    x = 316,541.40

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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.