Home / 931,766.49-1,397,681.02-257,791.41

Finding the Fourth Proportional to 931,766.49, 1,397,681.02 and 257,791.41

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Solution

The fourth proportional to 931,766.49, 1,397,681.02 and 257,791.41 is: 386,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,766.49 : 1,397,681.02 = 257,791.41 : x
  2. Step 2: Convert to fraction form
    931,766.49/1,397,681.02 = 257,791.41/x
  3. Step 3: Cross multiply
    931,766.49x = 1,397,681.02 × 257,791.41
  4. Step 4: Simplify right side
    931,766.49x = 360,310,161,198.28
  5. Step 5: Solve for x
    x = 360,310,161,198.28/931,766.49
  6. Step 6: Final answer
    x = 386,695.77

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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.