Home / 886,824.20-1,330,432.86-255,688.84

Finding the Fourth Proportional to 886,824.20, 1,330,432.86 and 255,688.84

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Solution

The fourth proportional to 886,824.20, 1,330,432.86 and 255,688.84 is: 383,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,824.20 : 1,330,432.86 = 255,688.84 : x
  2. Step 2: Convert to fraction form
    886,824.20/1,330,432.86 = 255,688.84/x
  3. Step 3: Cross multiply
    886,824.20x = 1,330,432.86 × 255,688.84
  4. Step 4: Simplify right side
    886,824.20x = 340,176,834,671.28
  5. Step 5: Solve for x
    x = 340,176,834,671.28/886,824.20
  6. Step 6: Final answer
    x = 383,589.93

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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.