Home / 820,200.10-1,229,263.35-731,035.30

Finding the Fourth Proportional to 820,200.10, 1,229,263.35 and 731,035.30

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Solution

The fourth proportional to 820,200.10, 1,229,263.35 and 731,035.30 is: 1,095,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,200.10 : 1,229,263.35 = 731,035.30 : x
  2. Step 2: Convert to fraction form
    820,200.10/1,229,263.35 = 731,035.30/x
  3. Step 3: Cross multiply
    820,200.10x = 1,229,263.35 × 731,035.30
  4. Step 4: Simplify right side
    820,200.10x = 898,634,901,846.26
  5. Step 5: Solve for x
    x = 898,634,901,846.26/820,200.10
  6. Step 6: Final answer
    x = 1,095,628.86

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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.