Home / 283,623.40-425,780.70-281,549.80

Finding the Fourth Proportional to 283,623.40, 425,780.70 and 281,549.80

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Solution

The fourth proportional to 283,623.40, 425,780.70 and 281,549.80 is: 422,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,623.40 : 425,780.70 = 281,549.80 : x
  2. Step 2: Convert to fraction form
    283,623.40/425,780.70 = 281,549.80/x
  3. Step 3: Cross multiply
    283,623.40x = 425,780.70 × 281,549.80
  4. Step 4: Simplify right side
    283,623.40x = 119,878,470,928.86
  5. Step 5: Solve for x
    x = 119,878,470,928.86/283,623.40
  6. Step 6: Final answer
    x = 422,667.77

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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.