Home / 504,960.08-696,886.56-290,141.60

Finding the Fourth Proportional to 504,960.08, 696,886.56 and 290,141.60

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Solution

The fourth proportional to 504,960.08, 696,886.56 and 290,141.60 is: 400,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,960.08 : 696,886.56 = 290,141.60 : x
  2. Step 2: Convert to fraction form
    504,960.08/696,886.56 = 290,141.60/x
  3. Step 3: Cross multiply
    504,960.08x = 696,886.56 × 290,141.60
  4. Step 4: Simplify right side
    504,960.08x = 202,195,781,536.90
  5. Step 5: Solve for x
    x = 202,195,781,536.90/504,960.08
  6. Step 6: Final answer
    x = 400,419.34

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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.