Home / 948,790.61-1,309,308.58-519,074.27

Finding the Fourth Proportional to 948,790.61, 1,309,308.58 and 519,074.27

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Solution

The fourth proportional to 948,790.61, 1,309,308.58 and 519,074.27 is: 716,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,790.61 : 1,309,308.58 = 519,074.27 : x
  2. Step 2: Convert to fraction form
    948,790.61/1,309,308.58 = 519,074.27/x
  3. Step 3: Cross multiply
    948,790.61x = 1,309,308.58 × 519,074.27
  4. Step 4: Simplify right side
    948,790.61x = 679,628,394,380.44
  5. Step 5: Solve for x
    x = 679,628,394,380.44/948,790.61
  6. Step 6: Final answer
    x = 716,310.20

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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.