Home / 863,139.40-1,294,806.30-264,095.80

Finding the Fourth Proportional to 863,139.40, 1,294,806.30 and 264,095.80

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Solution

The fourth proportional to 863,139.40, 1,294,806.30 and 264,095.80 is: 396,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,139.40 : 1,294,806.30 = 264,095.80 : x
  2. Step 2: Convert to fraction form
    863,139.40/1,294,806.30 = 264,095.80/x
  3. Step 3: Cross multiply
    863,139.40x = 1,294,806.30 × 264,095.80
  4. Step 4: Simplify right side
    863,139.40x = 341,952,905,643.54
  5. Step 5: Solve for x
    x = 341,952,905,643.54/863,139.40
  6. Step 6: Final answer
    x = 396,173.44

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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.