Home / 761,371.85-1,142,201.82-305,998.46

Finding the Fourth Proportional to 761,371.85, 1,142,201.82 and 305,998.46

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Solution

The fourth proportional to 761,371.85, 1,142,201.82 and 305,998.46 is: 459,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,371.85 : 1,142,201.82 = 305,998.46 : x
  2. Step 2: Convert to fraction form
    761,371.85/1,142,201.82 = 305,998.46/x
  3. Step 3: Cross multiply
    761,371.85x = 1,142,201.82 × 305,998.46
  4. Step 4: Simplify right side
    761,371.85x = 349,511,997,648.94
  5. Step 5: Solve for x
    x = 349,511,997,648.94/761,371.85
  6. Step 6: Final answer
    x = 459,055.58

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Double scale
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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.