Home / 824,405.70-1,236,725.92-255,835.93

Finding the Fourth Proportional to 824,405.70, 1,236,725.92 and 255,835.93

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Solution

The fourth proportional to 824,405.70, 1,236,725.92 and 255,835.93 is: 383,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,405.70 : 1,236,725.92 = 255,835.93 : x
  2. Step 2: Convert to fraction form
    824,405.70/1,236,725.92 = 255,835.93/x
  3. Step 3: Cross multiply
    824,405.70x = 1,236,725.92 × 255,835.93
  4. Step 4: Simplify right side
    824,405.70x = 316,398,925,898.31
  5. Step 5: Solve for x
    x = 316,398,925,898.31/824,405.70
  6. Step 6: Final answer
    x = 383,790.32

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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.