Home / 839,746.70-1,259,623.28-255,512.03

Finding the Fourth Proportional to 839,746.70, 1,259,623.28 and 255,512.03

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Solution

The fourth proportional to 839,746.70, 1,259,623.28 and 255,512.03 is: 383,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,746.70 : 1,259,623.28 = 255,512.03 : x
  2. Step 2: Convert to fraction form
    839,746.70/1,259,623.28 = 255,512.03/x
  3. Step 3: Cross multiply
    839,746.70x = 1,259,623.28 × 255,512.03
  4. Step 4: Simplify right side
    839,746.70x = 321,848,893,732.38
  5. Step 5: Solve for x
    x = 321,848,893,732.38/839,746.70
  6. Step 6: Final answer
    x = 383,269.02

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1.5x scale

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.