Home / 976,279.05-1,464,418.58-266,305.95

Finding the Fourth Proportional to 976,279.05, 1,464,418.58 and 266,305.95

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Solution

The fourth proportional to 976,279.05, 1,464,418.58 and 266,305.95 is: 399,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,279.05 : 1,464,418.58 = 266,305.95 : x
  2. Step 2: Convert to fraction form
    976,279.05/1,464,418.58 = 266,305.95/x
  3. Step 3: Cross multiply
    976,279.05x = 1,464,418.58 × 266,305.95
  4. Step 4: Simplify right side
    976,279.05x = 389,983,379,813.02
  5. Step 5: Solve for x
    x = 389,983,379,813.02/976,279.05
  6. Step 6: Final answer
    x = 399,458.93

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Double scale
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Similar ratio
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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.