Home / 755,264.45-1,042,287.08-411,122.81

Finding the Fourth Proportional to 755,264.45, 1,042,287.08 and 411,122.81

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Solution

The fourth proportional to 755,264.45, 1,042,287.08 and 411,122.81 is: 567,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,264.45 : 1,042,287.08 = 411,122.81 : x
  2. Step 2: Convert to fraction form
    755,264.45/1,042,287.08 = 411,122.81/x
  3. Step 3: Cross multiply
    755,264.45x = 1,042,287.08 × 411,122.81
  4. Step 4: Simplify right side
    755,264.45x = 428,507,985,889.25
  5. Step 5: Solve for x
    x = 428,507,985,889.25/755,264.45
  6. Step 6: Final answer
    x = 567,361.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.