Home / 549,027.20-822,849.60-486,819.20

Finding the Fourth Proportional to 549,027.20, 822,849.60 and 486,819.20

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Solution

The fourth proportional to 549,027.20, 822,849.60 and 486,819.20 is: 729,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,027.20 : 822,849.60 = 486,819.20 : x
  2. Step 2: Convert to fraction form
    549,027.20/822,849.60 = 486,819.20/x
  3. Step 3: Cross multiply
    549,027.20x = 822,849.60 × 486,819.20
  4. Step 4: Simplify right side
    549,027.20x = 400,578,983,992.32
  5. Step 5: Solve for x
    x = 400,578,983,992.32/549,027.20
  6. Step 6: Final answer
    x = 729,615.92

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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.