Home / 797,640.77-1,196,692.83-257,885.54

Finding the Fourth Proportional to 797,640.77, 1,196,692.83 and 257,885.54

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Solution

The fourth proportional to 797,640.77, 1,196,692.83 and 257,885.54 is: 386,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,640.77 : 1,196,692.83 = 257,885.54 : x
  2. Step 2: Convert to fraction form
    797,640.77/1,196,692.83 = 257,885.54/x
  3. Step 3: Cross multiply
    797,640.77x = 1,196,692.83 × 257,885.54
  4. Step 4: Simplify right side
    797,640.77x = 308,609,776,678.68
  5. Step 5: Solve for x
    x = 308,609,776,678.68/797,640.77
  6. Step 6: Final answer
    x = 386,903.21

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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.