Home / 706,704.20-1,057,464.30-520,080.20

Finding the Fourth Proportional to 706,704.20, 1,057,464.30 and 520,080.20

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Solution

The fourth proportional to 706,704.20, 1,057,464.30 and 520,080.20 is: 778,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,704.20 : 1,057,464.30 = 520,080.20 : x
  2. Step 2: Convert to fraction form
    706,704.20/1,057,464.30 = 520,080.20/x
  3. Step 3: Cross multiply
    706,704.20x = 1,057,464.30 × 520,080.20
  4. Step 4: Simplify right side
    706,704.20x = 549,966,244,636.86
  5. Step 5: Solve for x
    x = 549,966,244,636.86/706,704.20
  6. Step 6: Final answer
    x = 778,212.79

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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.