Home / 608,558.10-839,745.60-336,582.78

Finding the Fourth Proportional to 608,558.10, 839,745.60 and 336,582.78

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Solution

The fourth proportional to 608,558.10, 839,745.60 and 336,582.78 is: 464,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,558.10 : 839,745.60 = 336,582.78 : x
  2. Step 2: Convert to fraction form
    608,558.10/839,745.60 = 336,582.78/x
  3. Step 3: Cross multiply
    608,558.10x = 839,745.60 × 336,582.78
  4. Step 4: Simplify right side
    608,558.10x = 282,643,908,540.77
  5. Step 5: Solve for x
    x = 282,643,908,540.77/608,558.10
  6. Step 6: Final answer
    x = 464,448.52

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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.