Home / 711,010.14-1,066,410.28-261,626.59

Finding the Fourth Proportional to 711,010.14, 1,066,410.28 and 261,626.59

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Solution

The fourth proportional to 711,010.14, 1,066,410.28 and 261,626.59 is: 392,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,010.14 : 1,066,410.28 = 261,626.59 : x
  2. Step 2: Convert to fraction form
    711,010.14/1,066,410.28 = 261,626.59/x
  3. Step 3: Cross multiply
    711,010.14x = 1,066,410.28 × 261,626.59
  4. Step 4: Simplify right side
    711,010.14x = 279,001,285,097.35
  5. Step 5: Solve for x
    x = 279,001,285,097.35/711,010.14
  6. Step 6: Final answer
    x = 392,401.27

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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.