Home / 746,281.06-1,029,868.24-423,991.72

Finding the Fourth Proportional to 746,281.06, 1,029,868.24 and 423,991.72

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Solution

The fourth proportional to 746,281.06, 1,029,868.24 and 423,991.72 is: 585,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,281.06 : 1,029,868.24 = 423,991.72 : x
  2. Step 2: Convert to fraction form
    746,281.06/1,029,868.24 = 423,991.72/x
  3. Step 3: Cross multiply
    746,281.06x = 1,029,868.24 × 423,991.72
  4. Step 4: Simplify right side
    746,281.06x = 436,655,606,450.97
  5. Step 5: Solve for x
    x = 436,655,606,450.97/746,281.06
  6. Step 6: Final answer
    x = 585,108.79

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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.