Home / 890,476.20-1,336,589.10-441,703.80

Finding the Fourth Proportional to 890,476.20, 1,336,589.10 and 441,703.80

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Solution

The fourth proportional to 890,476.20, 1,336,589.10 and 441,703.80 is: 662,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,476.20 : 1,336,589.10 = 441,703.80 : x
  2. Step 2: Convert to fraction form
    890,476.20/1,336,589.10 = 441,703.80/x
  3. Step 3: Cross multiply
    890,476.20x = 1,336,589.10 × 441,703.80
  4. Step 4: Simplify right side
    890,476.20x = 590,376,484,508.58
  5. Step 5: Solve for x
    x = 590,376,484,508.58/890,476.20
  6. Step 6: Final answer
    x = 662,989.63

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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.