Home / 436,299.78-654,056.01-303,242.70

Finding the Fourth Proportional to 436,299.78, 654,056.01 and 303,242.70

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Solution

The fourth proportional to 436,299.78, 654,056.01 and 303,242.70 is: 454,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,299.78 : 654,056.01 = 303,242.70 : x
  2. Step 2: Convert to fraction form
    436,299.78/654,056.01 = 303,242.70/x
  3. Step 3: Cross multiply
    436,299.78x = 654,056.01 × 303,242.70
  4. Step 4: Simplify right side
    436,299.78x = 198,337,710,423.63
  5. Step 5: Solve for x
    x = 198,337,710,423.63/436,299.78
  6. Step 6: Final answer
    x = 454,590.44

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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.