Home / 780,614.84-1,170,061.43-510,630.91

Finding the Fourth Proportional to 780,614.84, 1,170,061.43 and 510,630.91

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Solution

The fourth proportional to 780,614.84, 1,170,061.43 and 510,630.91 is: 765,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,614.84 : 1,170,061.43 = 510,630.91 : x
  2. Step 2: Convert to fraction form
    780,614.84/1,170,061.43 = 510,630.91/x
  3. Step 3: Cross multiply
    780,614.84x = 1,170,061.43 × 510,630.91
  4. Step 4: Simplify right side
    780,614.84x = 597,469,527,278.49
  5. Step 5: Solve for x
    x = 597,469,527,278.49/780,614.84
  6. Step 6: Final answer
    x = 765,383.25

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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.