Home / 898,293.40-1,347,440.10-809,719.90

Finding the Fourth Proportional to 898,293.40, 1,347,440.10 and 809,719.90

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Solution

The fourth proportional to 898,293.40, 1,347,440.10 and 809,719.90 is: 1,214,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,293.40 : 1,347,440.10 = 809,719.90 : x
  2. Step 2: Convert to fraction form
    898,293.40/1,347,440.10 = 809,719.90/x
  3. Step 3: Cross multiply
    898,293.40x = 1,347,440.10 × 809,719.90
  4. Step 4: Simplify right side
    898,293.40x = 1,091,049,063,027.99
  5. Step 5: Solve for x
    x = 1,091,049,063,027.99/898,293.40
  6. Step 6: Final answer
    x = 1,214,579.85

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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.