Home / 872,507.63-1,308,777.85-273,455.53

Finding the Fourth Proportional to 872,507.63, 1,308,777.85 and 273,455.53

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Solution

The fourth proportional to 872,507.63, 1,308,777.85 and 273,455.53 is: 410,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,507.63 : 1,308,777.85 = 273,455.53 : x
  2. Step 2: Convert to fraction form
    872,507.63/1,308,777.85 = 273,455.53/x
  3. Step 3: Cross multiply
    872,507.63x = 1,308,777.85 × 273,455.53
  4. Step 4: Simplify right side
    872,507.63x = 357,892,533,396.48
  5. Step 5: Solve for x
    x = 357,892,533,396.48/872,507.63
  6. Step 6: Final answer
    x = 410,188.43

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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.