Home / 818,270.38-1,226,835.12-362,613.48

Finding the Fourth Proportional to 818,270.38, 1,226,835.12 and 362,613.48

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Solution

The fourth proportional to 818,270.38, 1,226,835.12 and 362,613.48 is: 543,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,270.38 : 1,226,835.12 = 362,613.48 : x
  2. Step 2: Convert to fraction form
    818,270.38/1,226,835.12 = 362,613.48/x
  3. Step 3: Cross multiply
    818,270.38x = 1,226,835.12 × 362,613.48
  4. Step 4: Simplify right side
    818,270.38x = 444,866,952,249.42
  5. Step 5: Solve for x
    x = 444,866,952,249.42/818,270.38
  6. Step 6: Final answer
    x = 543,667.43

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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.