Home / 613,979.26-921,116.34-234,893.79

Finding the Fourth Proportional to 613,979.26, 921,116.34 and 234,893.79

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Solution

The fourth proportional to 613,979.26, 921,116.34 and 234,893.79 is: 352,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,979.26 : 921,116.34 = 234,893.79 : x
  2. Step 2: Convert to fraction form
    613,979.26/921,116.34 = 234,893.79/x
  3. Step 3: Cross multiply
    613,979.26x = 921,116.34 × 234,893.79
  4. Step 4: Simplify right side
    613,979.26x = 216,364,508,133.53
  5. Step 5: Solve for x
    x = 216,364,508,133.53/613,979.26
  6. Step 6: Final answer
    x = 352,397.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.