Home / 744,691.16-1,027,684.32-405,159.68

Finding the Fourth Proportional to 744,691.16, 1,027,684.32 and 405,159.68

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Solution

The fourth proportional to 744,691.16, 1,027,684.32 and 405,159.68 is: 559,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,691.16 : 1,027,684.32 = 405,159.68 : x
  2. Step 2: Convert to fraction form
    744,691.16/1,027,684.32 = 405,159.68/x
  3. Step 3: Cross multiply
    744,691.16x = 1,027,684.32 × 405,159.68
  4. Step 4: Simplify right side
    744,691.16x = 416,376,250,232.22
  5. Step 5: Solve for x
    x = 416,376,250,232.22/744,691.16
  6. Step 6: Final answer
    x = 559,126.08

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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.