Home / 829,209.09-1,243,820.60-230,216.96

Finding the Fourth Proportional to 829,209.09, 1,243,820.60 and 230,216.96

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Solution

The fourth proportional to 829,209.09, 1,243,820.60 and 230,216.96 is: 345,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,209.09 : 1,243,820.60 = 230,216.96 : x
  2. Step 2: Convert to fraction form
    829,209.09/1,243,820.60 = 230,216.96/x
  3. Step 3: Cross multiply
    829,209.09x = 1,243,820.60 × 230,216.96
  4. Step 4: Simplify right side
    829,209.09x = 286,348,589,947.19
  5. Step 5: Solve for x
    x = 286,348,589,947.19/829,209.09
  6. Step 6: Final answer
    x = 345,327.36

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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.