Home / 886,924.20-1,330,386.30-255,858.60

Finding the Fourth Proportional to 886,924.20, 1,330,386.30 and 255,858.60

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Solution

The fourth proportional to 886,924.20, 1,330,386.30 and 255,858.60 is: 383,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,924.20 : 1,330,386.30 = 255,858.60 : x
  2. Step 2: Convert to fraction form
    886,924.20/1,330,386.30 = 255,858.60/x
  3. Step 3: Cross multiply
    886,924.20x = 1,330,386.30 × 255,858.60
  4. Step 4: Simplify right side
    886,924.20x = 340,390,776,177.18
  5. Step 5: Solve for x
    x = 340,390,776,177.18/886,924.20
  6. Step 6: Final answer
    x = 383,787.90

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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.