Home / 641,055.49-884,597.10-354,569.44

Finding the Fourth Proportional to 641,055.49, 884,597.10 and 354,569.44

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Solution

The fourth proportional to 641,055.49, 884,597.10 and 354,569.44 is: 489,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,055.49 : 884,597.10 = 354,569.44 : x
  2. Step 2: Convert to fraction form
    641,055.49/884,597.10 = 354,569.44/x
  3. Step 3: Cross multiply
    641,055.49x = 884,597.10 × 354,569.44
  4. Step 4: Simplify right side
    641,055.49x = 313,651,098,372.62
  5. Step 5: Solve for x
    x = 313,651,098,372.62/641,055.49
  6. Step 6: Final answer
    x = 489,272.93

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1.5x scale

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.