Home / 997,741.74-1,376,883.36-538,856.58

Finding the Fourth Proportional to 997,741.74, 1,376,883.36 and 538,856.58

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Solution

The fourth proportional to 997,741.74, 1,376,883.36 and 538,856.58 is: 743,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,741.74 : 1,376,883.36 = 538,856.58 : x
  2. Step 2: Convert to fraction form
    997,741.74/1,376,883.36 = 538,856.58/x
  3. Step 3: Cross multiply
    997,741.74x = 1,376,883.36 × 538,856.58
  4. Step 4: Simplify right side
    997,741.74x = 741,942,658,428.51
  5. Step 5: Solve for x
    x = 741,942,658,428.51/997,741.74
  6. Step 6: Final answer
    x = 743,621.95

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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.