Home / 744,907.77-1,027,901.60-418,145.97

Finding the Fourth Proportional to 744,907.77, 1,027,901.60 and 418,145.97

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Solution

The fourth proportional to 744,907.77, 1,027,901.60 and 418,145.97 is: 577,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,907.77 : 1,027,901.60 = 418,145.97 : x
  2. Step 2: Convert to fraction form
    744,907.77/1,027,901.60 = 418,145.97/x
  3. Step 3: Cross multiply
    744,907.77x = 1,027,901.60 × 418,145.97
  4. Step 4: Simplify right side
    744,907.77x = 429,812,909,505.82
  5. Step 5: Solve for x
    x = 429,812,909,505.82/744,907.77
  6. Step 6: Final answer
    x = 577,001.51

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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.