Home / 828,974.56-1,143,960.18-502,480.84

Finding the Fourth Proportional to 828,974.56, 1,143,960.18 and 502,480.84

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Solution

The fourth proportional to 828,974.56, 1,143,960.18 and 502,480.84 is: 693,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,974.56 : 1,143,960.18 = 502,480.84 : x
  2. Step 2: Convert to fraction form
    828,974.56/1,143,960.18 = 502,480.84/x
  3. Step 3: Cross multiply
    828,974.56x = 1,143,960.18 × 502,480.84
  4. Step 4: Simplify right side
    828,974.56x = 574,818,072,172.95
  5. Step 5: Solve for x
    x = 574,818,072,172.95/828,974.56
  6. Step 6: Final answer
    x = 693,408.58

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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.