Home / 756,180.20-1,043,200.80-450,084.96

Finding the Fourth Proportional to 756,180.20, 1,043,200.80 and 450,084.96

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Solution

The fourth proportional to 756,180.20, 1,043,200.80 and 450,084.96 is: 620,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,180.20 : 1,043,200.80 = 450,084.96 : x
  2. Step 2: Convert to fraction form
    756,180.20/1,043,200.80 = 450,084.96/x
  3. Step 3: Cross multiply
    756,180.20x = 1,043,200.80 × 450,084.96
  4. Step 4: Simplify right side
    756,180.20x = 469,528,990,339.97
  5. Step 5: Solve for x
    x = 469,528,990,339.97/756,180.20
  6. Step 6: Final answer
    x = 620,922.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.