Home / 758,893.06-1,047,272.79-419,361.31

Finding the Fourth Proportional to 758,893.06, 1,047,272.79 and 419,361.31

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Solution

The fourth proportional to 758,893.06, 1,047,272.79 and 419,361.31 is: 578,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,893.06 : 1,047,272.79 = 419,361.31 : x
  2. Step 2: Convert to fraction form
    758,893.06/1,047,272.79 = 419,361.31/x
  3. Step 3: Cross multiply
    758,893.06x = 1,047,272.79 × 419,361.31
  4. Step 4: Simplify right side
    758,893.06x = 439,185,689,141.76
  5. Step 5: Solve for x
    x = 439,185,689,141.76/758,893.06
  6. Step 6: Final answer
    x = 578,718.81

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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.