Home / 856,624.92-1,284,033.16-287,466.37

Finding the Fourth Proportional to 856,624.92, 1,284,033.16 and 287,466.37

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Solution

The fourth proportional to 856,624.92, 1,284,033.16 and 287,466.37 is: 430,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,624.92 : 1,284,033.16 = 287,466.37 : x
  2. Step 2: Convert to fraction form
    856,624.92/1,284,033.16 = 287,466.37/x
  3. Step 3: Cross multiply
    856,624.92x = 1,284,033.16 × 287,466.37
  4. Step 4: Simplify right side
    856,624.92x = 369,116,348,614.08
  5. Step 5: Solve for x
    x = 369,116,348,614.08/856,624.92
  6. Step 6: Final answer
    x = 430,896.12

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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.