Home / 1,022,464.08-1,533,640.32-312,491.88

Finding the Fourth Proportional to 1,022,464.08, 1,533,640.32 and 312,491.88

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Solution

The fourth proportional to 1,022,464.08, 1,533,640.32 and 312,491.88 is: 468,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,464.08 : 1,533,640.32 = 312,491.88 : x
  2. Step 2: Convert to fraction form
    1,022,464.08/1,533,640.32 = 312,491.88/x
  3. Step 3: Cross multiply
    1,022,464.08x = 1,533,640.32 × 312,491.88
  4. Step 4: Simplify right side
    1,022,464.08x = 479,250,146,840.60
  5. Step 5: Solve for x
    x = 479,250,146,840.60/1,022,464.08
  6. Step 6: Final answer
    x = 468,720.77

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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.