Home / 823,369.70-1,136,225.72-455,863.17

Finding the Fourth Proportional to 823,369.70, 1,136,225.72 and 455,863.17

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Solution

The fourth proportional to 823,369.70, 1,136,225.72 and 455,863.17 is: 629,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,369.70 : 1,136,225.72 = 455,863.17 : x
  2. Step 2: Convert to fraction form
    823,369.70/1,136,225.72 = 455,863.17/x
  3. Step 3: Cross multiply
    823,369.70x = 1,136,225.72 × 455,863.17
  4. Step 4: Simplify right side
    823,369.70x = 517,963,456,275.42
  5. Step 5: Solve for x
    x = 517,963,456,275.42/823,369.70
  6. Step 6: Final answer
    x = 629,077.63

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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.