Home / 898,323.40-1,347,485.10-809,749.90

Finding the Fourth Proportional to 898,323.40, 1,347,485.10 and 809,749.90

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Solution

The fourth proportional to 898,323.40, 1,347,485.10 and 809,749.90 is: 1,214,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,323.40 : 1,347,485.10 = 809,749.90 : x
  2. Step 2: Convert to fraction form
    898,323.40/1,347,485.10 = 809,749.90/x
  3. Step 3: Cross multiply
    898,323.40x = 1,347,485.10 × 809,749.90
  4. Step 4: Simplify right side
    898,323.40x = 1,091,125,924,976.49
  5. Step 5: Solve for x
    x = 1,091,125,924,976.49/898,323.40
  6. Step 6: Final answer
    x = 1,214,624.85

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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.