Home / 856,423.85-1,284,233.39-496,696.87

Finding the Fourth Proportional to 856,423.85, 1,284,233.39 and 496,696.87

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Solution

The fourth proportional to 856,423.85, 1,284,233.39 and 496,696.87 is: 744,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,423.85 : 1,284,233.39 = 496,696.87 : x
  2. Step 2: Convert to fraction form
    856,423.85/1,284,233.39 = 496,696.87/x
  3. Step 3: Cross multiply
    856,423.85x = 1,284,233.39 × 496,696.87
  4. Step 4: Simplify right side
    856,423.85x = 637,874,705,162.49
  5. Step 5: Solve for x
    x = 637,874,705,162.49/856,423.85
  6. Step 6: Final answer
    x = 744,811.94

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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.