Home / 905,835.56-1,250,068.57-497,954.59

Finding the Fourth Proportional to 905,835.56, 1,250,068.57 and 497,954.59

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Solution

The fourth proportional to 905,835.56, 1,250,068.57 and 497,954.59 is: 687,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,835.56 : 1,250,068.57 = 497,954.59 : x
  2. Step 2: Convert to fraction form
    905,835.56/1,250,068.57 = 497,954.59/x
  3. Step 3: Cross multiply
    905,835.56x = 1,250,068.57 × 497,954.59
  4. Step 4: Simplify right side
    905,835.56x = 622,477,377,876.18
  5. Step 5: Solve for x
    x = 622,477,377,876.18/905,835.56
  6. Step 6: Final answer
    x = 687,185.85

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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.