Home / 985,686.66-1,360,217.07-555,960.60

Finding the Fourth Proportional to 985,686.66, 1,360,217.07 and 555,960.60

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Solution

The fourth proportional to 985,686.66, 1,360,217.07 and 555,960.60 is: 767,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,686.66 : 1,360,217.07 = 555,960.60 : x
  2. Step 2: Convert to fraction form
    985,686.66/1,360,217.07 = 555,960.60/x
  3. Step 3: Cross multiply
    985,686.66x = 1,360,217.07 × 555,960.60
  4. Step 4: Simplify right side
    985,686.66x = 756,227,098,367.44
  5. Step 5: Solve for x
    x = 756,227,098,367.44/985,686.66
  6. Step 6: Final answer
    x = 767,208.41

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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.