Home / 886,807.20-1,330,407.36-255,671.76

Finding the Fourth Proportional to 886,807.20, 1,330,407.36 and 255,671.76

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Solution

The fourth proportional to 886,807.20, 1,330,407.36 and 255,671.76 is: 383,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,807.20 : 1,330,407.36 = 255,671.76 : x
  2. Step 2: Convert to fraction form
    886,807.20/1,330,407.36 = 255,671.76/x
  3. Step 3: Cross multiply
    886,807.20x = 1,330,407.36 × 255,671.76
  4. Step 4: Simplify right side
    886,807.20x = 340,147,591,248.15
  5. Step 5: Solve for x
    x = 340,147,591,248.15/886,807.20
  6. Step 6: Final answer
    x = 383,564.31

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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.