Home / 898,376.40-1,347,564.60-809,802.90

Finding the Fourth Proportional to 898,376.40, 1,347,564.60 and 809,802.90

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Solution

The fourth proportional to 898,376.40, 1,347,564.60 and 809,802.90 is: 1,214,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,376.40 : 1,347,564.60 = 809,802.90 : x
  2. Step 2: Convert to fraction form
    898,376.40/1,347,564.60 = 809,802.90/x
  3. Step 3: Cross multiply
    898,376.40x = 1,347,564.60 × 809,802.90
  4. Step 4: Simplify right side
    898,376.40x = 1,091,261,721,017.34
  5. Step 5: Solve for x
    x = 1,091,261,721,017.34/898,376.40
  6. Step 6: Final answer
    x = 1,214,704.35

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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.