Home / 678,584.10-1,017,228.15-252,005.70

Finding the Fourth Proportional to 678,584.10, 1,017,228.15 and 252,005.70

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Solution

The fourth proportional to 678,584.10, 1,017,228.15 and 252,005.70 is: 377,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,584.10 : 1,017,228.15 = 252,005.70 : x
  2. Step 2: Convert to fraction form
    678,584.10/1,017,228.15 = 252,005.70/x
  3. Step 3: Cross multiply
    678,584.10x = 1,017,228.15 × 252,005.70
  4. Step 4: Simplify right side
    678,584.10x = 256,347,292,000.46
  5. Step 5: Solve for x
    x = 256,347,292,000.46/678,584.10
  6. Step 6: Final answer
    x = 377,767.90

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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.