Home / 867,197.82-1,300,348.54-380,680.86

Finding the Fourth Proportional to 867,197.82, 1,300,348.54 and 380,680.86

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Solution

The fourth proportional to 867,197.82, 1,300,348.54 and 380,680.86 is: 570,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,197.82 : 1,300,348.54 = 380,680.86 : x
  2. Step 2: Convert to fraction form
    867,197.82/1,300,348.54 = 380,680.86/x
  3. Step 3: Cross multiply
    867,197.82x = 1,300,348.54 × 380,680.86
  4. Step 4: Simplify right side
    867,197.82x = 495,017,800,506.94
  5. Step 5: Solve for x
    x = 495,017,800,506.94/867,197.82
  6. Step 6: Final answer
    x = 570,824.54

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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.