Home / 654,315.64-981,473.60-205,036.42

Finding the Fourth Proportional to 654,315.64, 981,473.60 and 205,036.42

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Solution

The fourth proportional to 654,315.64, 981,473.60 and 205,036.42 is: 307,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,315.64 : 981,473.60 = 205,036.42 : x
  2. Step 2: Convert to fraction form
    654,315.64/981,473.60 = 205,036.42/x
  3. Step 3: Cross multiply
    654,315.64x = 981,473.60 × 205,036.42
  4. Step 4: Simplify right side
    654,315.64x = 201,237,833,268.51
  5. Step 5: Solve for x
    x = 201,237,833,268.51/654,315.64
  6. Step 6: Final answer
    x = 307,554.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.