Home / 711,700.72-1,066,865.24-262,175.88

Finding the Fourth Proportional to 711,700.72, 1,066,865.24 and 262,175.88

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Solution

The fourth proportional to 711,700.72, 1,066,865.24 and 262,175.88 is: 393,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,700.72 : 1,066,865.24 = 262,175.88 : x
  2. Step 2: Convert to fraction form
    711,700.72/1,066,865.24 = 262,175.88/x
  3. Step 3: Cross multiply
    711,700.72x = 1,066,865.24 × 262,175.88
  4. Step 4: Simplify right side
    711,700.72x = 279,706,333,138.41
  5. Step 5: Solve for x
    x = 279,706,333,138.41/711,700.72
  6. Step 6: Final answer
    x = 393,011.17

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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.