Home / 851,467.72-1,174,965.36-469,486.36

Finding the Fourth Proportional to 851,467.72, 1,174,965.36 and 469,486.36

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Solution

The fourth proportional to 851,467.72, 1,174,965.36 and 469,486.36 is: 647,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,467.72 : 1,174,965.36 = 469,486.36 : x
  2. Step 2: Convert to fraction form
    851,467.72/1,174,965.36 = 469,486.36/x
  3. Step 3: Cross multiply
    851,467.72x = 1,174,965.36 × 469,486.36
  4. Step 4: Simplify right side
    851,467.72x = 551,630,209,992.49
  5. Step 5: Solve for x
    x = 551,630,209,992.49/851,467.72
  6. Step 6: Final answer
    x = 647,858.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.