Home / 678,583.10-1,017,226.65-252,004.70

Finding the Fourth Proportional to 678,583.10, 1,017,226.65 and 252,004.70

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Solution

The fourth proportional to 678,583.10, 1,017,226.65 and 252,004.70 is: 377,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,583.10 : 1,017,226.65 = 252,004.70 : x
  2. Step 2: Convert to fraction form
    678,583.10/1,017,226.65 = 252,004.70/x
  3. Step 3: Cross multiply
    678,583.10x = 1,017,226.65 × 252,004.70
  4. Step 4: Simplify right side
    678,583.10x = 256,345,896,765.26
  5. Step 5: Solve for x
    x = 256,345,896,765.26/678,583.10
  6. Step 6: Final answer
    x = 377,766.40

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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.