Home / 560,847.20-842,145.60-324,651.20

Finding the Fourth Proportional to 560,847.20, 842,145.60 and 324,651.20

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Solution

The fourth proportional to 560,847.20, 842,145.60 and 324,651.20 is: 487,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,847.20 : 842,145.60 = 324,651.20 : x
  2. Step 2: Convert to fraction form
    560,847.20/842,145.60 = 324,651.20/x
  3. Step 3: Cross multiply
    560,847.20x = 842,145.60 × 324,651.20
  4. Step 4: Simplify right side
    560,847.20x = 273,403,579,614.72
  5. Step 5: Solve for x
    x = 273,403,579,614.72/560,847.20
  6. Step 6: Final answer
    x = 487,483.19

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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.