Home / 898,281.90-1,347,422.85-809,708.40

Finding the Fourth Proportional to 898,281.90, 1,347,422.85 and 809,708.40

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Solution

The fourth proportional to 898,281.90, 1,347,422.85 and 809,708.40 is: 1,214,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,281.90 : 1,347,422.85 = 809,708.40 : x
  2. Step 2: Convert to fraction form
    898,281.90/1,347,422.85 = 809,708.40/x
  3. Step 3: Cross multiply
    898,281.90x = 1,347,422.85 × 809,708.40
  4. Step 4: Simplify right side
    898,281.90x = 1,091,019,599,996.94
  5. Step 5: Solve for x
    x = 1,091,019,599,996.94/898,281.90
  6. Step 6: Final answer
    x = 1,214,562.60

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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.