Home / 746,279.56-1,029,866.17-423,990.22

Finding the Fourth Proportional to 746,279.56, 1,029,866.17 and 423,990.22

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Solution

The fourth proportional to 746,279.56, 1,029,866.17 and 423,990.22 is: 585,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,279.56 : 1,029,866.17 = 423,990.22 : x
  2. Step 2: Convert to fraction form
    746,279.56/1,029,866.17 = 423,990.22/x
  3. Step 3: Cross multiply
    746,279.56x = 1,029,866.17 × 423,990.22
  4. Step 4: Simplify right side
    746,279.56x = 436,653,178,839.53
  5. Step 5: Solve for x
    x = 436,653,178,839.53/746,279.56
  6. Step 6: Final answer
    x = 585,106.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.