Home / 793,271.22-1,190,379.60-287,871.63

Finding the Fourth Proportional to 793,271.22, 1,190,379.60 and 287,871.63

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Solution

The fourth proportional to 793,271.22, 1,190,379.60 and 287,871.63 is: 431,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,271.22 : 1,190,379.60 = 287,871.63 : x
  2. Step 2: Convert to fraction form
    793,271.22/1,190,379.60 = 287,871.63/x
  3. Step 3: Cross multiply
    793,271.22x = 1,190,379.60 × 287,871.63
  4. Step 4: Simplify right side
    793,271.22x = 342,676,515,770.75
  5. Step 5: Solve for x
    x = 342,676,515,770.75/793,271.22
  6. Step 6: Final answer
    x = 431,979.01

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1.5x scale

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.