Home / 811,942.04-1,120,369.10-467,649.92

Finding the Fourth Proportional to 811,942.04, 1,120,369.10 and 467,649.92

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Solution

The fourth proportional to 811,942.04, 1,120,369.10 and 467,649.92 is: 645,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,942.04 : 1,120,369.10 = 467,649.92 : x
  2. Step 2: Convert to fraction form
    811,942.04/1,120,369.10 = 467,649.92/x
  3. Step 3: Cross multiply
    811,942.04x = 1,120,369.10 × 467,649.92
  4. Step 4: Simplify right side
    811,942.04x = 523,940,512,045.38
  5. Step 5: Solve for x
    x = 523,940,512,045.38/811,942.04
  6. Step 6: Final answer
    x = 645,293.00

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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.