Home / 885,770.60-1,328,850.30-286,629.80

Finding the Fourth Proportional to 885,770.60, 1,328,850.30 and 286,629.80

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Solution

The fourth proportional to 885,770.60, 1,328,850.30 and 286,629.80 is: 430,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,770.60 : 1,328,850.30 = 286,629.80 : x
  2. Step 2: Convert to fraction form
    885,770.60/1,328,850.30 = 286,629.80/x
  3. Step 3: Cross multiply
    885,770.60x = 1,328,850.30 × 286,629.80
  4. Step 4: Simplify right side
    885,770.60x = 380,888,095,718.94
  5. Step 5: Solve for x
    x = 380,888,095,718.94/885,770.60
  6. Step 6: Final answer
    x = 430,007.61

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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.