Home / 439,826.40-659,739.60-439,826.40

Finding the Fourth Proportional to 439,826.40, 659,739.60 and 439,826.40

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Solution

The fourth proportional to 439,826.40, 659,739.60 and 439,826.40 is: 659,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,826.40 : 659,739.60 = 439,826.40 : x
  2. Step 2: Convert to fraction form
    439,826.40/659,739.60 = 439,826.40/x
  3. Step 3: Cross multiply
    439,826.40x = 659,739.60 × 439,826.40
  4. Step 4: Simplify right side
    439,826.40x = 290,170,893,205.44
  5. Step 5: Solve for x
    x = 290,170,893,205.44/439,826.40
  6. Step 6: Final answer
    x = 659,739.60

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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.