Home / 785,985.63-1,179,208.08-253,494.87

Finding the Fourth Proportional to 785,985.63, 1,179,208.08 and 253,494.87

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Solution

The fourth proportional to 785,985.63, 1,179,208.08 and 253,494.87 is: 380,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,985.63 : 1,179,208.08 = 253,494.87 : x
  2. Step 2: Convert to fraction form
    785,985.63/1,179,208.08 = 253,494.87/x
  3. Step 3: Cross multiply
    785,985.63x = 1,179,208.08 × 253,494.87
  4. Step 4: Simplify right side
    785,985.63x = 298,923,198,942.55
  5. Step 5: Solve for x
    x = 298,923,198,942.55/785,985.63
  6. Step 6: Final answer
    x = 380,316.37

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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.