Home / 699,116.34-1,048,010.11-445,685.57

Finding the Fourth Proportional to 699,116.34, 1,048,010.11 and 445,685.57

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Solution

The fourth proportional to 699,116.34, 1,048,010.11 and 445,685.57 is: 668,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,116.34 : 1,048,010.11 = 445,685.57 : x
  2. Step 2: Convert to fraction form
    699,116.34/1,048,010.11 = 445,685.57/x
  3. Step 3: Cross multiply
    699,116.34x = 1,048,010.11 × 445,685.57
  4. Step 4: Simplify right side
    699,116.34x = 467,082,976,886.85
  5. Step 5: Solve for x
    x = 467,082,976,886.85/699,116.34
  6. Step 6: Final answer
    x = 668,104.79

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Double scale
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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.