Home / 755,806.47-1,043,012.93-416,274.72

Finding the Fourth Proportional to 755,806.47, 1,043,012.93 and 416,274.72

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Solution

The fourth proportional to 755,806.47, 1,043,012.93 and 416,274.72 is: 574,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,806.47 : 1,043,012.93 = 416,274.72 : x
  2. Step 2: Convert to fraction form
    755,806.47/1,043,012.93 = 416,274.72/x
  3. Step 3: Cross multiply
    755,806.47x = 1,043,012.93 × 416,274.72
  4. Step 4: Simplify right side
    755,806.47x = 434,179,910,177.07
  5. Step 5: Solve for x
    x = 434,179,910,177.07/755,806.47
  6. Step 6: Final answer
    x = 574,459.11

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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.