Home / 852,720.30-1,279,080.36-253,690.02

Finding the Fourth Proportional to 852,720.30, 1,279,080.36 and 253,690.02

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Solution

The fourth proportional to 852,720.30, 1,279,080.36 and 253,690.02 is: 380,535.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,720.30 : 1,279,080.36 = 253,690.02 : x
  2. Step 2: Convert to fraction form
    852,720.30/1,279,080.36 = 253,690.02/x
  3. Step 3: Cross multiply
    852,720.30x = 1,279,080.36 × 253,690.02
  4. Step 4: Simplify right side
    852,720.30x = 324,489,922,110.01
  5. Step 5: Solve for x
    x = 324,489,922,110.01/852,720.30
  6. Step 6: Final answer
    x = 380,535.00

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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.