Home / 755,771.76-1,043,012.16-416,239.92

Finding the Fourth Proportional to 755,771.76, 1,043,012.16 and 416,239.92

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Solution

The fourth proportional to 755,771.76, 1,043,012.16 and 416,239.92 is: 574,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,771.76 : 1,043,012.16 = 416,239.92 : x
  2. Step 2: Convert to fraction form
    755,771.76/1,043,012.16 = 416,239.92/x
  3. Step 3: Cross multiply
    755,771.76x = 1,043,012.16 × 416,239.92
  4. Step 4: Simplify right side
    755,771.76x = 434,143,298,037.43
  5. Step 5: Solve for x
    x = 434,143,298,037.43/755,771.76
  6. Step 6: Final answer
    x = 574,437.05

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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.