Home / 845,473.77-1,166,224.37-555,100.31

Finding the Fourth Proportional to 845,473.77, 1,166,224.37 and 555,100.31

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Solution

The fourth proportional to 845,473.77, 1,166,224.37 and 555,100.31 is: 765,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,473.77 : 1,166,224.37 = 555,100.31 : x
  2. Step 2: Convert to fraction form
    845,473.77/1,166,224.37 = 555,100.31/x
  3. Step 3: Cross multiply
    845,473.77x = 1,166,224.37 × 555,100.31
  4. Step 4: Simplify right side
    845,473.77x = 647,371,500,709.93
  5. Step 5: Solve for x
    x = 647,371,500,709.93/845,473.77
  6. Step 6: Final answer
    x = 765,690.82

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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.