Home / 746,720.78-1,119,630.69-297,511.10

Finding the Fourth Proportional to 746,720.78, 1,119,630.69 and 297,511.10

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Solution

The fourth proportional to 746,720.78, 1,119,630.69 and 297,511.10 is: 446,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,720.78 : 1,119,630.69 = 297,511.10 : x
  2. Step 2: Convert to fraction form
    746,720.78/1,119,630.69 = 297,511.10/x
  3. Step 3: Cross multiply
    746,720.78x = 1,119,630.69 × 297,511.10
  4. Step 4: Simplify right side
    746,720.78x = 333,102,558,175.66
  5. Step 5: Solve for x
    x = 333,102,558,175.66/746,720.78
  6. Step 6: Final answer
    x = 446,087.17

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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.