Home / 898,208.40-1,347,312.60-809,634.90

Finding the Fourth Proportional to 898,208.40, 1,347,312.60 and 809,634.90

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Solution

The fourth proportional to 898,208.40, 1,347,312.60 and 809,634.90 is: 1,214,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,208.40 : 1,347,312.60 = 809,634.90 : x
  2. Step 2: Convert to fraction form
    898,208.40/1,347,312.60 = 809,634.90/x
  3. Step 3: Cross multiply
    898,208.40x = 1,347,312.60 × 809,634.90
  4. Step 4: Simplify right side
    898,208.40x = 1,090,831,302,169.74
  5. Step 5: Solve for x
    x = 1,090,831,302,169.74/898,208.40
  6. Step 6: Final answer
    x = 1,214,452.35

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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.