Home / 417,969.96-576,975.14-282,187.85

Finding the Fourth Proportional to 417,969.96, 576,975.14 and 282,187.85

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Solution

The fourth proportional to 417,969.96, 576,975.14 and 282,187.85 is: 389,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,969.96 : 576,975.14 = 282,187.85 : x
  2. Step 2: Convert to fraction form
    417,969.96/576,975.14 = 282,187.85/x
  3. Step 3: Cross multiply
    417,969.96x = 576,975.14 × 282,187.85
  4. Step 4: Simplify right side
    417,969.96x = 162,815,369,964.23
  5. Step 5: Solve for x
    x = 162,815,369,964.23/417,969.96
  6. Step 6: Final answer
    x = 389,538.45

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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.