Home / 641,092.98-884,653.20-354,541.74

Finding the Fourth Proportional to 641,092.98, 884,653.20 and 354,541.74

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Solution

The fourth proportional to 641,092.98, 884,653.20 and 354,541.74 is: 489,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,092.98 : 884,653.20 = 354,541.74 : x
  2. Step 2: Convert to fraction form
    641,092.98/884,653.20 = 354,541.74/x
  3. Step 3: Cross multiply
    641,092.98x = 884,653.20 × 354,541.74
  4. Step 4: Simplify right side
    641,092.98x = 313,646,484,824.57
  5. Step 5: Solve for x
    x = 313,646,484,824.57/641,092.98
  6. Step 6: Final answer
    x = 489,237.12

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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.