Home / 872,319.61-1,308,479.01-273,327.85

Finding the Fourth Proportional to 872,319.61, 1,308,479.01 and 273,327.85

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Solution

The fourth proportional to 872,319.61, 1,308,479.01 and 273,327.85 is: 409,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,319.61 : 1,308,479.01 = 273,327.85 : x
  2. Step 2: Convert to fraction form
    872,319.61/1,308,479.01 = 273,327.85/x
  3. Step 3: Cross multiply
    872,319.61x = 1,308,479.01 × 273,327.85
  4. Step 4: Simplify right side
    872,319.61x = 357,643,754,573.43
  5. Step 5: Solve for x
    x = 357,643,754,573.43/872,319.61
  6. Step 6: Final answer
    x = 409,991.65

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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.