Home / 987,742.72-1,481,613.69-277,770.72

Finding the Fourth Proportional to 987,742.72, 1,481,613.69 and 277,770.72

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Solution

The fourth proportional to 987,742.72, 1,481,613.69 and 277,770.72 is: 416,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,742.72 : 1,481,613.69 = 277,770.72 : x
  2. Step 2: Convert to fraction form
    987,742.72/1,481,613.69 = 277,770.72/x
  3. Step 3: Cross multiply
    987,742.72x = 1,481,613.69 × 277,770.72
  4. Step 4: Simplify right side
    987,742.72x = 411,548,901,433.16
  5. Step 5: Solve for x
    x = 411,548,901,433.16/987,742.72
  6. Step 6: Final answer
    x = 416,655.97

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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.