Home / 542,736.18-748,110.80-427,827.56

Finding the Fourth Proportional to 542,736.18, 748,110.80 and 427,827.56

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Solution

The fourth proportional to 542,736.18, 748,110.80 and 427,827.56 is: 589,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,736.18 : 748,110.80 = 427,827.56 : x
  2. Step 2: Convert to fraction form
    542,736.18/748,110.80 = 427,827.56/x
  3. Step 3: Cross multiply
    542,736.18x = 748,110.80 × 427,827.56
  4. Step 4: Simplify right side
    542,736.18x = 320,062,418,173.65
  5. Step 5: Solve for x
    x = 320,062,418,173.65/542,736.18
  6. Step 6: Final answer
    x = 589,720.07

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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.