Home / 932,736.66-1,398,948.48-258,886.43

Finding the Fourth Proportional to 932,736.66, 1,398,948.48 and 258,886.43

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Solution

The fourth proportional to 932,736.66, 1,398,948.48 and 258,886.43 is: 388,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,736.66 : 1,398,948.48 = 258,886.43 : x
  2. Step 2: Convert to fraction form
    932,736.66/1,398,948.48 = 258,886.43/x
  3. Step 3: Cross multiply
    932,736.66x = 1,398,948.48 × 258,886.43
  4. Step 4: Simplify right side
    932,736.66x = 362,168,770,746.38
  5. Step 5: Solve for x
    x = 362,168,770,746.38/932,736.66
  6. Step 6: Final answer
    x = 388,286.20

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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.