Home / 838,828.97-1,157,542.70-476,205.23

Finding the Fourth Proportional to 838,828.97, 1,157,542.70 and 476,205.23

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Solution

The fourth proportional to 838,828.97, 1,157,542.70 and 476,205.23 is: 657,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,828.97 : 1,157,542.70 = 476,205.23 : x
  2. Step 2: Convert to fraction form
    838,828.97/1,157,542.70 = 476,205.23/x
  3. Step 3: Cross multiply
    838,828.97x = 1,157,542.70 × 476,205.23
  4. Step 4: Simplify right side
    838,828.97x = 551,227,879,519.58
  5. Step 5: Solve for x
    x = 551,227,879,519.58/838,828.97
  6. Step 6: Final answer
    x = 657,139.78

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