Home / 890,473.20-1,336,584.60-441,700.80

Finding the Fourth Proportional to 890,473.20, 1,336,584.60 and 441,700.80

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Solution

The fourth proportional to 890,473.20, 1,336,584.60 and 441,700.80 is: 662,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,473.20 : 1,336,584.60 = 441,700.80 : x
  2. Step 2: Convert to fraction form
    890,473.20/1,336,584.60 = 441,700.80/x
  3. Step 3: Cross multiply
    890,473.20x = 1,336,584.60 × 441,700.80
  4. Step 4: Simplify right side
    890,473.20x = 590,370,487,087.68
  5. Step 5: Solve for x
    x = 590,370,487,087.68/890,473.20
  6. Step 6: Final answer
    x = 662,985.13

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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.