Home / 765,662.24-1,148,405.88-204,740.48

Finding the Fourth Proportional to 765,662.24, 1,148,405.88 and 204,740.48

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Solution

The fourth proportional to 765,662.24, 1,148,405.88 and 204,740.48 is: 307,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,662.24 : 1,148,405.88 = 204,740.48 : x
  2. Step 2: Convert to fraction form
    765,662.24/1,148,405.88 = 204,740.48/x
  3. Step 3: Cross multiply
    765,662.24x = 1,148,405.88 × 204,740.48
  4. Step 4: Simplify right side
    765,662.24x = 235,125,171,106.02
  5. Step 5: Solve for x
    x = 235,125,171,106.02/765,662.24
  6. Step 6: Final answer
    x = 307,087.33

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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.