Home / 867,911.04-1,302,074.37-362,190.69

Finding the Fourth Proportional to 867,911.04, 1,302,074.37 and 362,190.69

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Solution

The fourth proportional to 867,911.04, 1,302,074.37 and 362,190.69 is: 543,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,911.04 : 1,302,074.37 = 362,190.69 : x
  2. Step 2: Convert to fraction form
    867,911.04/1,302,074.37 = 362,190.69/x
  3. Step 3: Cross multiply
    867,911.04x = 1,302,074.37 × 362,190.69
  4. Step 4: Simplify right side
    867,911.04x = 471,599,214,501.62
  5. Step 5: Solve for x
    x = 471,599,214,501.62/867,911.04
  6. Step 6: Final answer
    x = 543,372.76

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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.