Home / 902,640.07-1,354,043.55-326,407.17

Finding the Fourth Proportional to 902,640.07, 1,354,043.55 and 326,407.17

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Solution

The fourth proportional to 902,640.07, 1,354,043.55 and 326,407.17 is: 489,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,640.07 : 1,354,043.55 = 326,407.17 : x
  2. Step 2: Convert to fraction form
    902,640.07/1,354,043.55 = 326,407.17/x
  3. Step 3: Cross multiply
    902,640.07x = 1,354,043.55 × 326,407.17
  4. Step 4: Simplify right side
    902,640.07x = 441,969,527,609.82
  5. Step 5: Solve for x
    x = 441,969,527,609.82/902,640.07
  6. Step 6: Final answer
    x = 489,640.94

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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.