Home / 948,290.88-1,308,664.16-540,383.96

Finding the Fourth Proportional to 948,290.88, 1,308,664.16 and 540,383.96

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Solution

The fourth proportional to 948,290.88, 1,308,664.16 and 540,383.96 is: 745,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,290.88 : 1,308,664.16 = 540,383.96 : x
  2. Step 2: Convert to fraction form
    948,290.88/1,308,664.16 = 540,383.96/x
  3. Step 3: Cross multiply
    948,290.88x = 1,308,664.16 × 540,383.96
  4. Step 4: Simplify right side
    948,290.88x = 707,181,121,090.87
  5. Step 5: Solve for x
    x = 707,181,121,090.87/948,290.88
  6. Step 6: Final answer
    x = 745,742.83

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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.