Home / 718,537.73-1,078,515.70-381,577.41

Finding the Fourth Proportional to 718,537.73, 1,078,515.70 and 381,577.41

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Solution

The fourth proportional to 718,537.73, 1,078,515.70 and 381,577.41 is: 572,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,537.73 : 1,078,515.70 = 381,577.41 : x
  2. Step 2: Convert to fraction form
    718,537.73/1,078,515.70 = 381,577.41/x
  3. Step 3: Cross multiply
    718,537.73x = 1,078,515.70 × 381,577.41
  4. Step 4: Simplify right side
    718,537.73x = 411,537,226,496.39
  5. Step 5: Solve for x
    x = 411,537,226,496.39/718,537.73
  6. Step 6: Final answer
    x = 572,742.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.