Home / 853,592.04-1,280,732.31-379,953.45

Finding the Fourth Proportional to 853,592.04, 1,280,732.31 and 379,953.45

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Solution

The fourth proportional to 853,592.04, 1,280,732.31 and 379,953.45 is: 570,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,592.04 : 1,280,732.31 = 379,953.45 : x
  2. Step 2: Convert to fraction form
    853,592.04/1,280,732.31 = 379,953.45/x
  3. Step 3: Cross multiply
    853,592.04x = 1,280,732.31 × 379,953.45
  4. Step 4: Simplify right side
    853,592.04x = 486,618,659,710.97
  5. Step 5: Solve for x
    x = 486,618,659,710.97/853,592.04
  6. Step 6: Final answer
    x = 570,083.41

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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.