Home / 654,678.18-982,017.27-205,468.38

Finding the Fourth Proportional to 654,678.18, 982,017.27 and 205,468.38

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Solution

The fourth proportional to 654,678.18, 982,017.27 and 205,468.38 is: 308,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,678.18 : 982,017.27 = 205,468.38 : x
  2. Step 2: Convert to fraction form
    654,678.18/982,017.27 = 205,468.38/x
  3. Step 3: Cross multiply
    654,678.18x = 982,017.27 × 205,468.38
  4. Step 4: Simplify right side
    654,678.18x = 201,773,497,598.92
  5. Step 5: Solve for x
    x = 201,773,497,598.92/654,678.18
  6. Step 6: Final answer
    x = 308,202.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.