Home / 670,856.94-1,005,585.39-271,773.18

Finding the Fourth Proportional to 670,856.94, 1,005,585.39 and 271,773.18

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Solution

The fourth proportional to 670,856.94, 1,005,585.39 and 271,773.18 is: 407,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,856.94 : 1,005,585.39 = 271,773.18 : x
  2. Step 2: Convert to fraction form
    670,856.94/1,005,585.39 = 271,773.18/x
  3. Step 3: Cross multiply
    670,856.94x = 1,005,585.39 × 271,773.18
  4. Step 4: Simplify right side
    670,856.94x = 273,291,139,201.84
  5. Step 5: Solve for x
    x = 273,291,139,201.84/670,856.94
  6. Step 6: Final answer
    x = 407,376.18

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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.