Home / 780,528.45-1,170,703.25-204,207.38

Finding the Fourth Proportional to 780,528.45, 1,170,703.25 and 204,207.38

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Solution

The fourth proportional to 780,528.45, 1,170,703.25 and 204,207.38 is: 306,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,528.45 : 1,170,703.25 = 204,207.38 : x
  2. Step 2: Convert to fraction form
    780,528.45/1,170,703.25 = 204,207.38/x
  3. Step 3: Cross multiply
    780,528.45x = 1,170,703.25 × 204,207.38
  4. Step 4: Simplify right side
    780,528.45x = 239,066,236,565.43
  5. Step 5: Solve for x
    x = 239,066,236,565.43/780,528.45
  6. Step 6: Final answer
    x = 306,287.67

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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.