Home / 887,007.30-1,330,381.35-255,855.30

Finding the Fourth Proportional to 887,007.30, 1,330,381.35 and 255,855.30

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Solution

The fourth proportional to 887,007.30, 1,330,381.35 and 255,855.30 is: 383,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,007.30 : 1,330,381.35 = 255,855.30 : x
  2. Step 2: Convert to fraction form
    887,007.30/1,330,381.35 = 255,855.30/x
  3. Step 3: Cross multiply
    887,007.30x = 1,330,381.35 × 255,855.30
  4. Step 4: Simplify right side
    887,007.30x = 340,385,119,418.66
  5. Step 5: Solve for x
    x = 340,385,119,418.66/887,007.30
  6. Step 6: Final answer
    x = 383,745.57

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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.