Home / 759,941.60-1,139,912.40-310,367.30

Finding the Fourth Proportional to 759,941.60, 1,139,912.40 and 310,367.30

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Solution

The fourth proportional to 759,941.60, 1,139,912.40 and 310,367.30 is: 465,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,941.60 : 1,139,912.40 = 310,367.30 : x
  2. Step 2: Convert to fraction form
    759,941.60/1,139,912.40 = 310,367.30/x
  3. Step 3: Cross multiply
    759,941.60x = 1,139,912.40 × 310,367.30
  4. Step 4: Simplify right side
    759,941.60x = 353,791,533,824.52
  5. Step 5: Solve for x
    x = 353,791,533,824.52/759,941.60
  6. Step 6: Final answer
    x = 465,550.95

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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.