Home / 913,941.43-1,261,310.19-506,081.23

Finding the Fourth Proportional to 913,941.43, 1,261,310.19 and 506,081.23

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Solution

The fourth proportional to 913,941.43, 1,261,310.19 and 506,081.23 is: 698,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,941.43 : 1,261,310.19 = 506,081.23 : x
  2. Step 2: Convert to fraction form
    913,941.43/1,261,310.19 = 506,081.23/x
  3. Step 3: Cross multiply
    913,941.43x = 1,261,310.19 × 506,081.23
  4. Step 4: Simplify right side
    913,941.43x = 638,325,412,366.73
  5. Step 5: Solve for x
    x = 638,325,412,366.73/913,941.43
  6. Step 6: Final answer
    x = 698,431.42

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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.