Home / 333,857.48-501,286.50-289,017.13

Finding the Fourth Proportional to 333,857.48, 501,286.50 and 289,017.13

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Solution

The fourth proportional to 333,857.48, 501,286.50 and 289,017.13 is: 433,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,857.48 : 501,286.50 = 289,017.13 : x
  2. Step 2: Convert to fraction form
    333,857.48/501,286.50 = 289,017.13/x
  3. Step 3: Cross multiply
    333,857.48x = 501,286.50 × 289,017.13
  4. Step 4: Simplify right side
    333,857.48x = 144,880,384,815.20
  5. Step 5: Solve for x
    x = 144,880,384,815.20/333,857.48
  6. Step 6: Final answer
    x = 433,958.78

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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.