Home / 768,521.58-1,060,555.68-446,310.86

Finding the Fourth Proportional to 768,521.58, 1,060,555.68 and 446,310.86

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Solution

The fourth proportional to 768,521.58, 1,060,555.68 and 446,310.86 is: 615,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,521.58 : 1,060,555.68 = 446,310.86 : x
  2. Step 2: Convert to fraction form
    768,521.58/1,060,555.68 = 446,310.86/x
  3. Step 3: Cross multiply
    768,521.58x = 1,060,555.68 × 446,310.86
  4. Step 4: Simplify right side
    768,521.58x = 473,337,517,618.69
  5. Step 5: Solve for x
    x = 473,337,517,618.69/768,521.58
  6. Step 6: Final answer
    x = 615,906.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.