Home / 758,889.06-1,047,267.27-419,357.31

Finding the Fourth Proportional to 758,889.06, 1,047,267.27 and 419,357.31

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Solution

The fourth proportional to 758,889.06, 1,047,267.27 and 419,357.31 is: 578,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,889.06 : 1,047,267.27 = 419,357.31 : x
  2. Step 2: Convert to fraction form
    758,889.06/1,047,267.27 = 419,357.31/x
  3. Step 3: Cross multiply
    758,889.06x = 1,047,267.27 × 419,357.31
  4. Step 4: Simplify right side
    758,889.06x = 439,179,185,198.24
  5. Step 5: Solve for x
    x = 439,179,185,198.24/758,889.06
  6. Step 6: Final answer
    x = 578,713.29

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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.