Home / 890,513.20-1,336,644.60-441,740.80

Finding the Fourth Proportional to 890,513.20, 1,336,644.60 and 441,740.80

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Solution

The fourth proportional to 890,513.20, 1,336,644.60 and 441,740.80 is: 663,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,513.20 : 1,336,644.60 = 441,740.80 : x
  2. Step 2: Convert to fraction form
    890,513.20/1,336,644.60 = 441,740.80/x
  3. Step 3: Cross multiply
    890,513.20x = 1,336,644.60 × 441,740.80
  4. Step 4: Simplify right side
    890,513.20x = 590,450,454,919.68
  5. Step 5: Solve for x
    x = 590,450,454,919.68/890,513.20
  6. Step 6: Final answer
    x = 663,045.15

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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.