Home / 996,728.69-1,375,336.61-561,082.37

Finding the Fourth Proportional to 996,728.69, 1,375,336.61 and 561,082.37

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Solution

The fourth proportional to 996,728.69, 1,375,336.61 and 561,082.37 is: 774,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,728.69 : 1,375,336.61 = 561,082.37 : x
  2. Step 2: Convert to fraction form
    996,728.69/1,375,336.61 = 561,082.37/x
  3. Step 3: Cross multiply
    996,728.69x = 1,375,336.61 × 561,082.37
  4. Step 4: Simplify right side
    996,728.69x = 771,677,121,881.15
  5. Step 5: Solve for x
    x = 771,677,121,881.15/996,728.69
  6. Step 6: Final answer
    x = 774,209.80

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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.