Home / 450,868.55-622,620.07-290,002.86

Finding the Fourth Proportional to 450,868.55, 622,620.07 and 290,002.86

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Solution

The fourth proportional to 450,868.55, 622,620.07 and 290,002.86 is: 400,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,868.55 : 622,620.07 = 290,002.86 : x
  2. Step 2: Convert to fraction form
    450,868.55/622,620.07 = 290,002.86/x
  3. Step 3: Cross multiply
    450,868.55x = 622,620.07 × 290,002.86
  4. Step 4: Simplify right side
    450,868.55x = 180,561,600,268.39
  5. Step 5: Solve for x
    x = 180,561,600,268.39/450,868.55
  6. Step 6: Final answer
    x = 400,475.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.