Home / 676,733.68-1,015,101.28-203,419.04

Finding the Fourth Proportional to 676,733.68, 1,015,101.28 and 203,419.04

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Solution

The fourth proportional to 676,733.68, 1,015,101.28 and 203,419.04 is: 305,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,733.68 : 1,015,101.28 = 203,419.04 : x
  2. Step 2: Convert to fraction form
    676,733.68/1,015,101.28 = 203,419.04/x
  3. Step 3: Cross multiply
    676,733.68x = 1,015,101.28 × 203,419.04
  4. Step 4: Simplify right side
    676,733.68x = 206,490,927,880.37
  5. Step 5: Solve for x
    x = 206,490,927,880.37/676,733.68
  6. Step 6: Final answer
    x = 305,128.79

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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.