Home / 761,366.57-1,142,194.05-305,993.21

Finding the Fourth Proportional to 761,366.57, 1,142,194.05 and 305,993.21

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Solution

The fourth proportional to 761,366.57, 1,142,194.05 and 305,993.21 is: 459,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,366.57 : 1,142,194.05 = 305,993.21 : x
  2. Step 2: Convert to fraction form
    761,366.57/1,142,194.05 = 305,993.21/x
  3. Step 3: Cross multiply
    761,366.57x = 1,142,194.05 × 305,993.21
  4. Step 4: Simplify right side
    761,366.57x = 349,503,618,091.43
  5. Step 5: Solve for x
    x = 349,503,618,091.43/761,366.57
  6. Step 6: Final answer
    x = 459,047.76

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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.