Home / 913,046.37-1,260,407.58-545,653.17

Finding the Fourth Proportional to 913,046.37, 1,260,407.58 and 545,653.17

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Solution

The fourth proportional to 913,046.37, 1,260,407.58 and 545,653.17 is: 753,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,046.37 : 1,260,407.58 = 545,653.17 : x
  2. Step 2: Convert to fraction form
    913,046.37/1,260,407.58 = 545,653.17/x
  3. Step 3: Cross multiply
    913,046.37x = 1,260,407.58 × 545,653.17
  4. Step 4: Simplify right side
    913,046.37x = 687,745,391,519.03
  5. Step 5: Solve for x
    x = 687,745,391,519.03/913,046.37
  6. Step 6: Final answer
    x = 753,242.57

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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.