Home / 809,411.54-1,116,989.57-446,835.89

Finding the Fourth Proportional to 809,411.54, 1,116,989.57 and 446,835.89

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Solution

The fourth proportional to 809,411.54, 1,116,989.57 and 446,835.89 is: 616,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,411.54 : 1,116,989.57 = 446,835.89 : x
  2. Step 2: Convert to fraction form
    809,411.54/1,116,989.57 = 446,835.89/x
  3. Step 3: Cross multiply
    809,411.54x = 1,116,989.57 × 446,835.89
  4. Step 4: Simplify right side
    809,411.54x = 499,111,032,541.23
  5. Step 5: Solve for x
    x = 499,111,032,541.23/809,411.54
  6. Step 6: Final answer
    x = 616,634.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.