Home / 886,918.55-1,330,248.22-255,766.55

Finding the Fourth Proportional to 886,918.55, 1,330,248.22 and 255,766.55

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Solution

The fourth proportional to 886,918.55, 1,330,248.22 and 255,766.55 is: 383,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,918.55 : 1,330,248.22 = 255,766.55 : x
  2. Step 2: Convert to fraction form
    886,918.55/1,330,248.22 = 255,766.55/x
  3. Step 3: Cross multiply
    886,918.55x = 1,330,248.22 × 255,766.55
  4. Step 4: Simplify right side
    886,918.55x = 340,232,997,873.04
  5. Step 5: Solve for x
    x = 340,232,997,873.04/886,918.55
  6. Step 6: Final answer
    x = 383,612.45

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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.