Home / 805,638.08-1,208,555.52-273,311.36

Finding the Fourth Proportional to 805,638.08, 1,208,555.52 and 273,311.36

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Solution

The fourth proportional to 805,638.08, 1,208,555.52 and 273,311.36 is: 410,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,638.08 : 1,208,555.52 = 273,311.36 : x
  2. Step 2: Convert to fraction form
    805,638.08/1,208,555.52 = 273,311.36/x
  3. Step 3: Cross multiply
    805,638.08x = 1,208,555.52 × 273,311.36
  4. Step 4: Simplify right side
    805,638.08x = 330,311,952,806.71
  5. Step 5: Solve for x
    x = 330,311,952,806.71/805,638.08
  6. Step 6: Final answer
    x = 410,000.42

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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.