Home / 755,043-1,131,732.63-305,483.28

Finding the Fourth Proportional to 755,043, 1,131,732.63 and 305,483.28

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Solution

The fourth proportional to 755,043, 1,131,732.63 and 305,483.28 is: 457,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,043 : 1,131,732.63 = 305,483.28 : x
  2. Step 2: Convert to fraction form
    755,043/1,131,732.63 = 305,483.28/x
  3. Step 3: Cross multiply
    755,043x = 1,131,732.63 × 305,483.28
  4. Step 4: Simplify right side
    755,043x = 345,725,395,895.43
  5. Step 5: Solve for x
    x = 345,725,395,895.43/755,043
  6. Step 6: Final answer
    x = 457,888.35

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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.