Home / 867,343.13-1,300,313.49-362,291.02

Finding the Fourth Proportional to 867,343.13, 1,300,313.49 and 362,291.02

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Solution

The fourth proportional to 867,343.13, 1,300,313.49 and 362,291.02 is: 543,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,343.13 : 1,300,313.49 = 362,291.02 : x
  2. Step 2: Convert to fraction form
    867,343.13/1,300,313.49 = 362,291.02/x
  3. Step 3: Cross multiply
    867,343.13x = 1,300,313.49 × 362,291.02
  4. Step 4: Simplify right side
    867,343.13x = 471,091,900,611.86
  5. Step 5: Solve for x
    x = 471,091,900,611.86/867,343.13
  6. Step 6: Final answer
    x = 543,143.64

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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.