Home / 874,587.02-1,206,517.70-511,788.36

Finding the Fourth Proportional to 874,587.02, 1,206,517.70 and 511,788.36

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Solution

The fourth proportional to 874,587.02, 1,206,517.70 and 511,788.36 is: 706,026.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,587.02 : 1,206,517.70 = 511,788.36 : x
  2. Step 2: Convert to fraction form
    874,587.02/1,206,517.70 = 511,788.36/x
  3. Step 3: Cross multiply
    874,587.02x = 1,206,517.70 × 511,788.36
  4. Step 4: Simplify right side
    874,587.02x = 617,481,712,435.03
  5. Step 5: Solve for x
    x = 617,481,712,435.03/874,587.02
  6. Step 6: Final answer
    x = 706,026.61

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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.