Home / 899,230.60-1,348,629.90-519,329.80

Finding the Fourth Proportional to 899,230.60, 1,348,629.90 and 519,329.80

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Solution

The fourth proportional to 899,230.60, 1,348,629.90 and 519,329.80 is: 778,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,230.60 : 1,348,629.90 = 519,329.80 : x
  2. Step 2: Convert to fraction form
    899,230.60/1,348,629.90 = 519,329.80/x
  3. Step 3: Cross multiply
    899,230.60x = 1,348,629.90 × 519,329.80
  4. Step 4: Simplify right side
    899,230.60x = 700,383,696,241.02
  5. Step 5: Solve for x
    x = 700,383,696,241.02/899,230.60
  6. Step 6: Final answer
    x = 778,869.95

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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.