Home / 744,907.74-1,027,901.52-418,145.88

Finding the Fourth Proportional to 744,907.74, 1,027,901.52 and 418,145.88

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Solution

The fourth proportional to 744,907.74, 1,027,901.52 and 418,145.88 is: 577,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,907.74 : 1,027,901.52 = 418,145.88 : x
  2. Step 2: Convert to fraction form
    744,907.74/1,027,901.52 = 418,145.88/x
  3. Step 3: Cross multiply
    744,907.74x = 1,027,901.52 × 418,145.88
  4. Step 4: Simplify right side
    744,907.74x = 429,812,785,633.74
  5. Step 5: Solve for x
    x = 429,812,785,633.74/744,907.74
  6. Step 6: Final answer
    x = 577,001.37

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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.