Home / 845,475.77-1,166,227.12-555,102.31

Finding the Fourth Proportional to 845,475.77, 1,166,227.12 and 555,102.31

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Solution

The fourth proportional to 845,475.77, 1,166,227.12 and 555,102.31 is: 765,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,475.77 : 1,166,227.12 = 555,102.31 : x
  2. Step 2: Convert to fraction form
    845,475.77/1,166,227.12 = 555,102.31/x
  3. Step 3: Cross multiply
    845,475.77x = 1,166,227.12 × 555,102.31
  4. Step 4: Simplify right side
    845,475.77x = 647,375,368,296.65
  5. Step 5: Solve for x
    x = 647,375,368,296.65/845,475.77
  6. Step 6: Final answer
    x = 765,693.58

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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.