Home / 905,079.27-1,357,597.89-455,679.48

Finding the Fourth Proportional to 905,079.27, 1,357,597.89 and 455,679.48

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Solution

The fourth proportional to 905,079.27, 1,357,597.89 and 455,679.48 is: 683,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,079.27 : 1,357,597.89 = 455,679.48 : x
  2. Step 2: Convert to fraction form
    905,079.27/1,357,597.89 = 455,679.48/x
  3. Step 3: Cross multiply
    905,079.27x = 1,357,597.89 × 455,679.48
  4. Step 4: Simplify right side
    905,079.27x = 618,629,500,564.30
  5. Step 5: Solve for x
    x = 618,629,500,564.30/905,079.27
  6. Step 6: Final answer
    x = 683,508.64

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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.