Home / 725,923.82-1,086,756.51-509,030.57

Finding the Fourth Proportional to 725,923.82, 1,086,756.51 and 509,030.57

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Solution

The fourth proportional to 725,923.82, 1,086,756.51 and 509,030.57 is: 762,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,923.82 : 1,086,756.51 = 509,030.57 : x
  2. Step 2: Convert to fraction form
    725,923.82/1,086,756.51 = 509,030.57/x
  3. Step 3: Cross multiply
    725,923.82x = 1,086,756.51 × 509,030.57
  4. Step 4: Simplify right side
    725,923.82x = 553,192,285,736.51
  5. Step 5: Solve for x
    x = 553,192,285,736.51/725,923.82
  6. Step 6: Final answer
    x = 762,052.81

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1.5x scale

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.