Home / 885,866.44-1,329,011.32-286,828.26

Finding the Fourth Proportional to 885,866.44, 1,329,011.32 and 286,828.26

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Solution

The fourth proportional to 885,866.44, 1,329,011.32 and 286,828.26 is: 430,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,866.44 : 1,329,011.32 = 286,828.26 : x
  2. Step 2: Convert to fraction form
    885,866.44/1,329,011.32 = 286,828.26/x
  3. Step 3: Cross multiply
    885,866.44x = 1,329,011.32 × 286,828.26
  4. Step 4: Simplify right side
    885,866.44x = 381,198,004,435.90
  5. Step 5: Solve for x
    x = 381,198,004,435.90/885,866.44
  6. Step 6: Final answer
    x = 430,310.92

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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.