Home / 765,731.58-1,148,597.37-204,751.50

Finding the Fourth Proportional to 765,731.58, 1,148,597.37 and 204,751.50

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Solution

The fourth proportional to 765,731.58, 1,148,597.37 and 204,751.50 is: 307,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,731.58 : 1,148,597.37 = 204,751.50 : x
  2. Step 2: Convert to fraction form
    765,731.58/1,148,597.37 = 204,751.50/x
  3. Step 3: Cross multiply
    765,731.58x = 1,148,597.37 × 204,751.50
  4. Step 4: Simplify right side
    765,731.58x = 235,177,034,403.56
  5. Step 5: Solve for x
    x = 235,177,034,403.56/765,731.58
  6. Step 6: Final answer
    x = 307,127.25

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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.