Home / 824,353.45-1,236,706.50-255,722.21

Finding the Fourth Proportional to 824,353.45, 1,236,706.50 and 255,722.21

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Solution

The fourth proportional to 824,353.45, 1,236,706.50 and 255,722.21 is: 383,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,353.45 : 1,236,706.50 = 255,722.21 : x
  2. Step 2: Convert to fraction form
    824,353.45/1,236,706.50 = 255,722.21/x
  3. Step 3: Cross multiply
    824,353.45x = 1,236,706.50 × 255,722.21
  4. Step 4: Simplify right side
    824,353.45x = 316,253,318,022.75
  5. Step 5: Solve for x
    x = 316,253,318,022.75/824,353.45
  6. Step 6: Final answer
    x = 383,638.01

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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.