Home / 755,862.55-1,043,090.11-416,330.80

Finding the Fourth Proportional to 755,862.55, 1,043,090.11 and 416,330.80

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Solution

The fourth proportional to 755,862.55, 1,043,090.11 and 416,330.80 is: 574,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,862.55 : 1,043,090.11 = 416,330.80 : x
  2. Step 2: Convert to fraction form
    755,862.55/1,043,090.11 = 416,330.80/x
  3. Step 3: Cross multiply
    755,862.55x = 1,043,090.11 × 416,330.80
  4. Step 4: Simplify right side
    755,862.55x = 434,270,539,968.39
  5. Step 5: Solve for x
    x = 434,270,539,968.39/755,862.55
  6. Step 6: Final answer
    x = 574,536.39

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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.