Home / 671,520.40-1,007,280.60-228,288.40

Finding the Fourth Proportional to 671,520.40, 1,007,280.60 and 228,288.40

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Solution

The fourth proportional to 671,520.40, 1,007,280.60 and 228,288.40 is: 342,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,520.40 : 1,007,280.60 = 228,288.40 : x
  2. Step 2: Convert to fraction form
    671,520.40/1,007,280.60 = 228,288.40/x
  3. Step 3: Cross multiply
    671,520.40x = 1,007,280.60 × 228,288.40
  4. Step 4: Simplify right side
    671,520.40x = 229,950,476,525.04
  5. Step 5: Solve for x
    x = 229,950,476,525.04/671,520.40
  6. Step 6: Final answer
    x = 342,432.60

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Similar ratio
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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.