Home / 867,198.82-1,300,350.04-380,681.86

Finding the Fourth Proportional to 867,198.82, 1,300,350.04 and 380,681.86

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Solution

The fourth proportional to 867,198.82, 1,300,350.04 and 380,681.86 is: 570,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,198.82 : 1,300,350.04 = 380,681.86 : x
  2. Step 2: Convert to fraction form
    867,198.82/1,300,350.04 = 380,681.86/x
  3. Step 3: Cross multiply
    867,198.82x = 1,300,350.04 × 380,681.86
  4. Step 4: Simplify right side
    867,198.82x = 495,019,671,878.27
  5. Step 5: Solve for x
    x = 495,019,671,878.27/867,198.82
  6. Step 6: Final answer
    x = 570,826.04

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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.