Home / 996,471.72-1,493,455.08-427,179.36

Finding the Fourth Proportional to 996,471.72, 1,493,455.08 and 427,179.36

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Solution

The fourth proportional to 996,471.72, 1,493,455.08 and 427,179.36 is: 640,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,471.72 : 1,493,455.08 = 427,179.36 : x
  2. Step 2: Convert to fraction form
    996,471.72/1,493,455.08 = 427,179.36/x
  3. Step 3: Cross multiply
    996,471.72x = 1,493,455.08 × 427,179.36
  4. Step 4: Simplify right side
    996,471.72x = 637,973,185,263.15
  5. Step 5: Solve for x
    x = 637,973,185,263.15/996,471.72
  6. Step 6: Final answer
    x = 640,232.10

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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.