Home / 953,286.49-1,315,484.09-545,344.57

Finding the Fourth Proportional to 953,286.49, 1,315,484.09 and 545,344.57

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Solution

The fourth proportional to 953,286.49, 1,315,484.09 and 545,344.57 is: 752,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,286.49 : 1,315,484.09 = 545,344.57 : x
  2. Step 2: Convert to fraction form
    953,286.49/1,315,484.09 = 545,344.57/x
  3. Step 3: Cross multiply
    953,286.49x = 1,315,484.09 × 545,344.57
  4. Step 4: Simplify right side
    953,286.49x = 717,392,098,825.47
  5. Step 5: Solve for x
    x = 717,392,098,825.47/953,286.49
  6. Step 6: Final answer
    x = 752,546.18

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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.