Home / 743,872.98-1,116,284.67-270,513.30

Finding the Fourth Proportional to 743,872.98, 1,116,284.67 and 270,513.30

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Solution

The fourth proportional to 743,872.98, 1,116,284.67 and 270,513.30 is: 405,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,872.98 : 1,116,284.67 = 270,513.30 : x
  2. Step 2: Convert to fraction form
    743,872.98/1,116,284.67 = 270,513.30/x
  3. Step 3: Cross multiply
    743,872.98x = 1,116,284.67 × 270,513.30
  4. Step 4: Simplify right side
    743,872.98x = 301,969,849,821.11
  5. Step 5: Solve for x
    x = 301,969,849,821.11/743,872.98
  6. Step 6: Final answer
    x = 405,942.76

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Double scale
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1.5x scale

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.