Home / 676,845.45-933,799.59-404,921.16

Finding the Fourth Proportional to 676,845.45, 933,799.59 and 404,921.16

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Solution

The fourth proportional to 676,845.45, 933,799.59 and 404,921.16 is: 558,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,845.45 : 933,799.59 = 404,921.16 : x
  2. Step 2: Convert to fraction form
    676,845.45/933,799.59 = 404,921.16/x
  3. Step 3: Cross multiply
    676,845.45x = 933,799.59 × 404,921.16
  4. Step 4: Simplify right side
    676,845.45x = 378,115,213,190.32
  5. Step 5: Solve for x
    x = 378,115,213,190.32/676,845.45
  6. Step 6: Final answer
    x = 558,643.36

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1.5x scale

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.