Home / 756,352.80-1,043,766.88-416,821.05

Finding the Fourth Proportional to 756,352.80, 1,043,766.88 and 416,821.05

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Solution

The fourth proportional to 756,352.80, 1,043,766.88 and 416,821.05 is: 575,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,352.80 : 1,043,766.88 = 416,821.05 : x
  2. Step 2: Convert to fraction form
    756,352.80/1,043,766.88 = 416,821.05/x
  3. Step 3: Cross multiply
    756,352.80x = 1,043,766.88 × 416,821.05
  4. Step 4: Simplify right side
    756,352.80x = 435,063,999,573.88
  5. Step 5: Solve for x
    x = 435,063,999,573.88/756,352.80
  6. Step 6: Final answer
    x = 575,213.05

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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.