Home / 882,693.40-1,323,003.30-408,376.84

Finding the Fourth Proportional to 882,693.40, 1,323,003.30 and 408,376.84

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Solution

The fourth proportional to 882,693.40, 1,323,003.30 and 408,376.84 is: 612,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,693.40 : 1,323,003.30 = 408,376.84 : x
  2. Step 2: Convert to fraction form
    882,693.40/1,323,003.30 = 408,376.84/x
  3. Step 3: Cross multiply
    882,693.40x = 1,323,003.30 × 408,376.84
  4. Step 4: Simplify right side
    882,693.40x = 540,283,906,963.57
  5. Step 5: Solve for x
    x = 540,283,906,963.57/882,693.40
  6. Step 6: Final answer
    x = 612,085.59

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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.