Home / 931,832.88-1,397,780.57-257,857.80

Finding the Fourth Proportional to 931,832.88, 1,397,780.57 and 257,857.80

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Solution

The fourth proportional to 931,832.88, 1,397,780.57 and 257,857.80 is: 386,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,832.88 : 1,397,780.57 = 257,857.80 : x
  2. Step 2: Convert to fraction form
    931,832.88/1,397,780.57 = 257,857.80/x
  3. Step 3: Cross multiply
    931,832.88x = 1,397,780.57 × 257,857.80
  4. Step 4: Simplify right side
    931,832.88x = 360,428,622,662.95
  5. Step 5: Solve for x
    x = 360,428,622,662.95/931,832.88
  6. Step 6: Final answer
    x = 386,795.35

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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.