Home / 744,901.80-1,027,893.31-418,139.94

Finding the Fourth Proportional to 744,901.80, 1,027,893.31 and 418,139.94

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Solution

The fourth proportional to 744,901.80, 1,027,893.31 and 418,139.94 is: 576,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,901.80 : 1,027,893.31 = 418,139.94 : x
  2. Step 2: Convert to fraction form
    744,901.80/1,027,893.31 = 418,139.94/x
  3. Step 3: Cross multiply
    744,901.80x = 1,027,893.31 × 418,139.94
  4. Step 4: Simplify right side
    744,901.80x = 429,803,246,969.80
  5. Step 5: Solve for x
    x = 429,803,246,969.80/744,901.80
  6. Step 6: Final answer
    x = 576,993.16

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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.