Home / 864,250.70-1,296,376.05-714,659.90

Finding the Fourth Proportional to 864,250.70, 1,296,376.05 and 714,659.90

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Solution

The fourth proportional to 864,250.70, 1,296,376.05 and 714,659.90 is: 1,071,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,250.70 : 1,296,376.05 = 714,659.90 : x
  2. Step 2: Convert to fraction form
    864,250.70/1,296,376.05 = 714,659.90/x
  3. Step 3: Cross multiply
    864,250.70x = 1,296,376.05 × 714,659.90
  4. Step 4: Simplify right side
    864,250.70x = 926,467,978,255.40
  5. Step 5: Solve for x
    x = 926,467,978,255.40/864,250.70
  6. Step 6: Final answer
    x = 1,071,989.85

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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.