Home / 456,047.10-683,184.78-219,555.72

Finding the Fourth Proportional to 456,047.10, 683,184.78 and 219,555.72

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Solution

The fourth proportional to 456,047.10, 683,184.78 and 219,555.72 is: 328,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,047.10 : 683,184.78 = 219,555.72 : x
  2. Step 2: Convert to fraction form
    456,047.10/683,184.78 = 219,555.72/x
  3. Step 3: Cross multiply
    456,047.10x = 683,184.78 × 219,555.72
  4. Step 4: Simplify right side
    456,047.10x = 149,997,126,265.94
  5. Step 5: Solve for x
    x = 149,997,126,265.94/456,047.10
  6. Step 6: Final answer
    x = 328,907.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.