Home / 820,177.80-1,230,266.70-731,604.30

Finding the Fourth Proportional to 820,177.80, 1,230,266.70 and 731,604.30

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Solution

The fourth proportional to 820,177.80, 1,230,266.70 and 731,604.30 is: 1,097,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,177.80 : 1,230,266.70 = 731,604.30 : x
  2. Step 2: Convert to fraction form
    820,177.80/1,230,266.70 = 731,604.30/x
  3. Step 3: Cross multiply
    820,177.80x = 1,230,266.70 × 731,604.30
  4. Step 4: Simplify right side
    820,177.80x = 900,068,407,866.81
  5. Step 5: Solve for x
    x = 900,068,407,866.81/820,177.80
  6. Step 6: Final answer
    x = 1,097,406.45

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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.