Home / 641,147.60-884,787.30-354,677.94

Finding the Fourth Proportional to 641,147.60, 884,787.30 and 354,677.94

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Solution

The fourth proportional to 641,147.60, 884,787.30 and 354,677.94 is: 489,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,147.60 : 884,787.30 = 354,677.94 : x
  2. Step 2: Convert to fraction form
    641,147.60/884,787.30 = 354,677.94/x
  3. Step 3: Cross multiply
    641,147.60x = 884,787.30 × 354,677.94
  4. Step 4: Simplify right side
    641,147.60x = 313,814,536,902.16
  5. Step 5: Solve for x
    x = 313,814,536,902.16/641,147.60
  6. Step 6: Final answer
    x = 489,457.55

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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.