Home / 886,983.28-1,330,999.80-326,411.44

Finding the Fourth Proportional to 886,983.28, 1,330,999.80 and 326,411.44

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Solution

The fourth proportional to 886,983.28, 1,330,999.80 and 326,411.44 is: 489,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,983.28 : 1,330,999.80 = 326,411.44 : x
  2. Step 2: Convert to fraction form
    886,983.28/1,330,999.80 = 326,411.44/x
  3. Step 3: Cross multiply
    886,983.28x = 1,330,999.80 × 326,411.44
  4. Step 4: Simplify right side
    886,983.28x = 434,453,561,357.71
  5. Step 5: Solve for x
    x = 434,453,561,357.71/886,983.28
  6. Step 6: Final answer
    x = 489,810.32

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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.