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Finding the Fourth Proportional to 587,245.60, 880,868.40 and 422,586.40

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Solution

The fourth proportional to 587,245.60, 880,868.40 and 422,586.40 is: 633,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,245.60 : 880,868.40 = 422,586.40 : x
  2. Step 2: Convert to fraction form
    587,245.60/880,868.40 = 422,586.40/x
  3. Step 3: Cross multiply
    587,245.60x = 880,868.40 × 422,586.40
  4. Step 4: Simplify right side
    587,245.60x = 372,243,006,029.76
  5. Step 5: Solve for x
    x = 372,243,006,029.76/587,245.60
  6. Step 6: Final answer
    x = 633,879.60

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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.