Home / 851,066.36-1,174,092.80-488,403.44

Finding the Fourth Proportional to 851,066.36, 1,174,092.80 and 488,403.44

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Solution

The fourth proportional to 851,066.36, 1,174,092.80 and 488,403.44 is: 673,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,066.36 : 1,174,092.80 = 488,403.44 : x
  2. Step 2: Convert to fraction form
    851,066.36/1,174,092.80 = 488,403.44/x
  3. Step 3: Cross multiply
    851,066.36x = 1,174,092.80 × 488,403.44
  4. Step 4: Simplify right side
    851,066.36x = 573,430,962,399.23
  5. Step 5: Solve for x
    x = 573,430,962,399.23/851,066.36
  6. Step 6: Final answer
    x = 673,779.38

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1.5x scale

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.