Home / 901,396.58-1,243,942-493,491.60

Finding the Fourth Proportional to 901,396.58, 1,243,942 and 493,491.60

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Solution

The fourth proportional to 901,396.58, 1,243,942 and 493,491.60 is: 681,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,396.58 : 1,243,942 = 493,491.60 : x
  2. Step 2: Convert to fraction form
    901,396.58/1,243,942 = 493,491.60/x
  3. Step 3: Cross multiply
    901,396.58x = 1,243,942 × 493,491.60
  4. Step 4: Simplify right side
    901,396.58x = 613,874,927,887.20
  5. Step 5: Solve for x
    x = 613,874,927,887.20/901,396.58
  6. Step 6: Final answer
    x = 681,026.47

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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.