Home / 913,065.47-1,260,433.92-545,672.22

Finding the Fourth Proportional to 913,065.47, 1,260,433.92 and 545,672.22

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Solution

The fourth proportional to 913,065.47, 1,260,433.92 and 545,672.22 is: 753,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,065.47 : 1,260,433.92 = 545,672.22 : x
  2. Step 2: Convert to fraction form
    913,065.47/1,260,433.92 = 545,672.22/x
  3. Step 3: Cross multiply
    913,065.47x = 1,260,433.92 × 545,672.22
  4. Step 4: Simplify right side
    913,065.47x = 687,783,770,092.35
  5. Step 5: Solve for x
    x = 687,783,770,092.35/913,065.47
  6. Step 6: Final answer
    x = 753,268.84

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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.