Home / 758,718.48-1,047,042.54-419,194.56

Finding the Fourth Proportional to 758,718.48, 1,047,042.54 and 419,194.56

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Solution

The fourth proportional to 758,718.48, 1,047,042.54 and 419,194.56 is: 578,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,718.48 : 1,047,042.54 = 419,194.56 : x
  2. Step 2: Convert to fraction form
    758,718.48/1,047,042.54 = 419,194.56/x
  3. Step 3: Cross multiply
    758,718.48x = 1,047,042.54 × 419,194.56
  4. Step 4: Simplify right side
    758,718.48x = 438,914,536,856.58
  5. Step 5: Solve for x
    x = 438,914,536,856.58/758,718.48
  6. Step 6: Final answer
    x = 578,494.59

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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.