Home / 674,006.40-1,010,290.30-336,382.20

Finding the Fourth Proportional to 674,006.40, 1,010,290.30 and 336,382.20

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Solution

The fourth proportional to 674,006.40, 1,010,290.30 and 336,382.20 is: 504,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,006.40 : 1,010,290.30 = 336,382.20 : x
  2. Step 2: Convert to fraction form
    674,006.40/1,010,290.30 = 336,382.20/x
  3. Step 3: Cross multiply
    674,006.40x = 1,010,290.30 × 336,382.20
  4. Step 4: Simplify right side
    674,006.40x = 339,843,673,752.66
  5. Step 5: Solve for x
    x = 339,843,673,752.66/674,006.40
  6. Step 6: Final answer
    x = 504,214.31

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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.