Home / 898,278.40-1,347,417.60-809,704.90

Finding the Fourth Proportional to 898,278.40, 1,347,417.60 and 809,704.90

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Solution

The fourth proportional to 898,278.40, 1,347,417.60 and 809,704.90 is: 1,214,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,278.40 : 1,347,417.60 = 809,704.90 : x
  2. Step 2: Convert to fraction form
    898,278.40/1,347,417.60 = 809,704.90/x
  3. Step 3: Cross multiply
    898,278.40x = 1,347,417.60 × 809,704.90
  4. Step 4: Simplify right side
    898,278.40x = 1,091,010,633,066.24
  5. Step 5: Solve for x
    x = 1,091,010,633,066.24/898,278.40
  6. Step 6: Final answer
    x = 1,214,557.35

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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.