Home / 863,368.60-1,294,314.48-331,271.52

Finding the Fourth Proportional to 863,368.60, 1,294,314.48 and 331,271.52

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Solution

The fourth proportional to 863,368.60, 1,294,314.48 and 331,271.52 is: 496,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,368.60 : 1,294,314.48 = 331,271.52 : x
  2. Step 2: Convert to fraction form
    863,368.60/1,294,314.48 = 331,271.52/x
  3. Step 3: Cross multiply
    863,368.60x = 1,294,314.48 × 331,271.52
  4. Step 4: Simplify right side
    863,368.60x = 428,769,525,147.61
  5. Step 5: Solve for x
    x = 428,769,525,147.61/863,368.60
  6. Step 6: Final answer
    x = 496,623.95

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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.