Home / 824,306.54-1,236,636.94-255,675.74

Finding the Fourth Proportional to 824,306.54, 1,236,636.94 and 255,675.74

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Solution

The fourth proportional to 824,306.54, 1,236,636.94 and 255,675.74 is: 383,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,306.54 : 1,236,636.94 = 255,675.74 : x
  2. Step 2: Convert to fraction form
    824,306.54/1,236,636.94 = 255,675.74/x
  3. Step 3: Cross multiply
    824,306.54x = 1,236,636.94 × 255,675.74
  4. Step 4: Simplify right side
    824,306.54x = 316,178,064,745.84
  5. Step 5: Solve for x
    x = 316,178,064,745.84/824,306.54
  6. Step 6: Final answer
    x = 383,568.55

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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.