Home / 864,069.80-1,296,104.70-727,212.20

Finding the Fourth Proportional to 864,069.80, 1,296,104.70 and 727,212.20

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Solution

The fourth proportional to 864,069.80, 1,296,104.70 and 727,212.20 is: 1,090,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,069.80 : 1,296,104.70 = 727,212.20 : x
  2. Step 2: Convert to fraction form
    864,069.80/1,296,104.70 = 727,212.20/x
  3. Step 3: Cross multiply
    864,069.80x = 1,296,104.70 × 727,212.20
  4. Step 4: Simplify right side
    864,069.80x = 942,543,150,317.34
  5. Step 5: Solve for x
    x = 942,543,150,317.34/864,069.80
  6. Step 6: Final answer
    x = 1,090,818.30

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1.5x scale

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.