Home / 762,131.97-1,051,743.61-417,970.32

Finding the Fourth Proportional to 762,131.97, 1,051,743.61 and 417,970.32

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Solution

The fourth proportional to 762,131.97, 1,051,743.61 and 417,970.32 is: 576,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,131.97 : 1,051,743.61 = 417,970.32 : x
  2. Step 2: Convert to fraction form
    762,131.97/1,051,743.61 = 417,970.32/x
  3. Step 3: Cross multiply
    762,131.97x = 1,051,743.61 × 417,970.32
  4. Step 4: Simplify right side
    762,131.97x = 439,597,611,139.80
  5. Step 5: Solve for x
    x = 439,597,611,139.80/762,131.97
  6. Step 6: Final answer
    x = 576,799.86

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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.