Home / 898,283.40-1,347,425.10-809,709.90

Finding the Fourth Proportional to 898,283.40, 1,347,425.10 and 809,709.90

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Solution

The fourth proportional to 898,283.40, 1,347,425.10 and 809,709.90 is: 1,214,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,283.40 : 1,347,425.10 = 809,709.90 : x
  2. Step 2: Convert to fraction form
    898,283.40/1,347,425.10 = 809,709.90/x
  3. Step 3: Cross multiply
    898,283.40x = 1,347,425.10 × 809,709.90
  4. Step 4: Simplify right side
    898,283.40x = 1,091,023,442,978.49
  5. Step 5: Solve for x
    x = 1,091,023,442,978.49/898,283.40
  6. Step 6: Final answer
    x = 1,214,564.85

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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.