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Finding the Fourth Proportional to 608,017.51, 839,049.40 and 336,078.41

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Solution

The fourth proportional to 608,017.51, 839,049.40 and 336,078.41 is: 463,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,017.51 : 839,049.40 = 336,078.41 : x
  2. Step 2: Convert to fraction form
    608,017.51/839,049.40 = 336,078.41/x
  3. Step 3: Cross multiply
    608,017.51x = 839,049.40 × 336,078.41
  4. Step 4: Simplify right side
    608,017.51x = 281,986,383,228.01
  5. Step 5: Solve for x
    x = 281,986,383,228.01/608,017.51
  6. Step 6: Final answer
    x = 463,780.04

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1.5x scale

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.