Home / 852,168.60-1,278,700.02-320,056.92

Finding the Fourth Proportional to 852,168.60, 1,278,700.02 and 320,056.92

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Solution

The fourth proportional to 852,168.60, 1,278,700.02 and 320,056.92 is: 480,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,168.60 : 1,278,700.02 = 320,056.92 : x
  2. Step 2: Convert to fraction form
    852,168.60/1,278,700.02 = 320,056.92/x
  3. Step 3: Cross multiply
    852,168.60x = 1,278,700.02 × 320,056.92
  4. Step 4: Simplify right side
    852,168.60x = 409,256,790,005.14
  5. Step 5: Solve for x
    x = 409,256,790,005.14/852,168.60
  6. Step 6: Final answer
    x = 480,253.31

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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.