Home / 555,783.93-766,982.03-301,135.12

Finding the Fourth Proportional to 555,783.93, 766,982.03 and 301,135.12

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Solution

The fourth proportional to 555,783.93, 766,982.03 and 301,135.12 is: 415,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,783.93 : 766,982.03 = 301,135.12 : x
  2. Step 2: Convert to fraction form
    555,783.93/766,982.03 = 301,135.12/x
  3. Step 3: Cross multiply
    555,783.93x = 766,982.03 × 301,135.12
  4. Step 4: Simplify right side
    555,783.93x = 230,965,222,218.76
  5. Step 5: Solve for x
    x = 230,965,222,218.76/555,783.93
  6. Step 6: Final answer
    x = 415,566.57

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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.