Home / 678,584.60-1,017,228.90-252,006.20

Finding the Fourth Proportional to 678,584.60, 1,017,228.90 and 252,006.20

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Solution

The fourth proportional to 678,584.60, 1,017,228.90 and 252,006.20 is: 377,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,584.60 : 1,017,228.90 = 252,006.20 : x
  2. Step 2: Convert to fraction form
    678,584.60/1,017,228.90 = 252,006.20/x
  3. Step 3: Cross multiply
    678,584.60x = 1,017,228.90 × 252,006.20
  4. Step 4: Simplify right side
    678,584.60x = 256,347,989,619.18
  5. Step 5: Solve for x
    x = 256,347,989,619.18/678,584.60
  6. Step 6: Final answer
    x = 377,768.65

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1.5x scale

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.