Home / 872,507.51-1,308,777.66-273,455.40

Finding the Fourth Proportional to 872,507.51, 1,308,777.66 and 273,455.40

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Solution

The fourth proportional to 872,507.51, 1,308,777.66 and 273,455.40 is: 410,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,507.51 : 1,308,777.66 = 273,455.40 : x
  2. Step 2: Convert to fraction form
    872,507.51/1,308,777.66 = 273,455.40/x
  3. Step 3: Cross multiply
    872,507.51x = 1,308,777.66 × 273,455.40
  4. Step 4: Simplify right side
    872,507.51x = 357,892,318,526.36
  5. Step 5: Solve for x
    x = 357,892,318,526.36/872,507.51
  6. Step 6: Final answer
    x = 410,188.24

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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.