Home / 887,271.60-1,330,907.40-256,249.20

Finding the Fourth Proportional to 887,271.60, 1,330,907.40 and 256,249.20

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Solution

The fourth proportional to 887,271.60, 1,330,907.40 and 256,249.20 is: 384,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,271.60 : 1,330,907.40 = 256,249.20 : x
  2. Step 2: Convert to fraction form
    887,271.60/1,330,907.40 = 256,249.20/x
  3. Step 3: Cross multiply
    887,271.60x = 1,330,907.40 × 256,249.20
  4. Step 4: Simplify right side
    887,271.60x = 341,043,956,524.08
  5. Step 5: Solve for x
    x = 341,043,956,524.08/887,271.60
  6. Step 6: Final answer
    x = 384,373.80

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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.