Home / 427,849.44-590,246.82-257,989.20

Finding the Fourth Proportional to 427,849.44, 590,246.82 and 257,989.20

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Solution

The fourth proportional to 427,849.44, 590,246.82 and 257,989.20 is: 355,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,849.44 : 590,246.82 = 257,989.20 : x
  2. Step 2: Convert to fraction form
    427,849.44/590,246.82 = 257,989.20/x
  3. Step 3: Cross multiply
    427,849.44x = 590,246.82 × 257,989.20
  4. Step 4: Simplify right side
    427,849.44x = 152,277,304,894.34
  5. Step 5: Solve for x
    x = 152,277,304,894.34/427,849.44
  6. Step 6: Final answer
    x = 355,913.30

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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.