Home / 801,666.96-1,106,300.54-439,103.79

Finding the Fourth Proportional to 801,666.96, 1,106,300.54 and 439,103.79

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Solution

The fourth proportional to 801,666.96, 1,106,300.54 and 439,103.79 is: 605,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,666.96 : 1,106,300.54 = 439,103.79 : x
  2. Step 2: Convert to fraction form
    801,666.96/1,106,300.54 = 439,103.79/x
  3. Step 3: Cross multiply
    801,666.96x = 1,106,300.54 × 439,103.79
  4. Step 4: Simplify right side
    801,666.96x = 485,780,761,090.81
  5. Step 5: Solve for x
    x = 485,780,761,090.81/801,666.96
  6. Step 6: Final answer
    x = 605,963.31

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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.