Home / 727,982.20-1,091,973.30-650,999.80

Finding the Fourth Proportional to 727,982.20, 1,091,973.30 and 650,999.80

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Solution

The fourth proportional to 727,982.20, 1,091,973.30 and 650,999.80 is: 976,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,982.20 : 1,091,973.30 = 650,999.80 : x
  2. Step 2: Convert to fraction form
    727,982.20/1,091,973.30 = 650,999.80/x
  3. Step 3: Cross multiply
    727,982.20x = 1,091,973.30 × 650,999.80
  4. Step 4: Simplify right side
    727,982.20x = 710,874,399,905.34
  5. Step 5: Solve for x
    x = 710,874,399,905.34/727,982.20
  6. Step 6: Final answer
    x = 976,499.70

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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.