Home / 898,305.40-1,347,458.10-809,731.90

Finding the Fourth Proportional to 898,305.40, 1,347,458.10 and 809,731.90

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Solution

The fourth proportional to 898,305.40, 1,347,458.10 and 809,731.90 is: 1,214,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,305.40 : 1,347,458.10 = 809,731.90 : x
  2. Step 2: Convert to fraction form
    898,305.40/1,347,458.10 = 809,731.90/x
  3. Step 3: Cross multiply
    898,305.40x = 1,347,458.10 × 809,731.90
  4. Step 4: Simplify right side
    898,305.40x = 1,091,079,807,483.39
  5. Step 5: Solve for x
    x = 1,091,079,807,483.39/898,305.40
  6. Step 6: Final answer
    x = 1,214,597.85

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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.