Home / 823,735.20-1,235,602.80-657,847.20

Finding the Fourth Proportional to 823,735.20, 1,235,602.80 and 657,847.20

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Solution

The fourth proportional to 823,735.20, 1,235,602.80 and 657,847.20 is: 986,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,735.20 : 1,235,602.80 = 657,847.20 : x
  2. Step 2: Convert to fraction form
    823,735.20/1,235,602.80 = 657,847.20/x
  3. Step 3: Cross multiply
    823,735.20x = 1,235,602.80 × 657,847.20
  4. Step 4: Simplify right side
    823,735.20x = 812,837,842,292.16
  5. Step 5: Solve for x
    x = 812,837,842,292.16/823,735.20
  6. Step 6: Final answer
    x = 986,770.80

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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.