Home / 446,822.80-670,234.20-443,712.40

Finding the Fourth Proportional to 446,822.80, 670,234.20 and 443,712.40

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Solution

The fourth proportional to 446,822.80, 670,234.20 and 443,712.40 is: 665,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,822.80 : 670,234.20 = 443,712.40 : x
  2. Step 2: Convert to fraction form
    446,822.80/670,234.20 = 443,712.40/x
  3. Step 3: Cross multiply
    446,822.80x = 670,234.20 × 443,712.40
  4. Step 4: Simplify right side
    446,822.80x = 297,391,225,444.08
  5. Step 5: Solve for x
    x = 297,391,225,444.08/446,822.80
  6. Step 6: Final answer
    x = 665,568.60

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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.