Home / 997,742.74-1,376,884.74-538,857.58

Finding the Fourth Proportional to 997,742.74, 1,376,884.74 and 538,857.58

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Solution

The fourth proportional to 997,742.74, 1,376,884.74 and 538,857.58 is: 743,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,742.74 : 1,376,884.74 = 538,857.58 : x
  2. Step 2: Convert to fraction form
    997,742.74/1,376,884.74 = 538,857.58/x
  3. Step 3: Cross multiply
    997,742.74x = 1,376,884.74 × 538,857.58
  4. Step 4: Simplify right side
    997,742.74x = 741,944,778,935.33
  5. Step 5: Solve for x
    x = 741,944,778,935.33/997,742.74
  6. Step 6: Final answer
    x = 743,623.33

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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.