Home / 879,942.66-1,214,320.87-477,534.66

Finding the Fourth Proportional to 879,942.66, 1,214,320.87 and 477,534.66

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Solution

The fourth proportional to 879,942.66, 1,214,320.87 and 477,534.66 is: 658,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,942.66 : 1,214,320.87 = 477,534.66 : x
  2. Step 2: Convert to fraction form
    879,942.66/1,214,320.87 = 477,534.66/x
  3. Step 3: Cross multiply
    879,942.66x = 1,214,320.87 × 477,534.66
  4. Step 4: Simplify right side
    879,942.66x = 579,880,297,143.44
  5. Step 5: Solve for x
    x = 579,880,297,143.44/879,942.66
  6. Step 6: Final answer
    x = 658,997.83

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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.