Home / 768,519.57-1,060,552.92-446,308.86

Finding the Fourth Proportional to 768,519.57, 1,060,552.92 and 446,308.86

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Solution

The fourth proportional to 768,519.57, 1,060,552.92 and 446,308.86 is: 615,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,519.57 : 1,060,552.92 = 446,308.86 : x
  2. Step 2: Convert to fraction form
    768,519.57/1,060,552.92 = 446,308.86/x
  3. Step 3: Cross multiply
    768,519.57x = 1,060,552.92 × 446,308.86
  4. Step 4: Simplify right side
    768,519.57x = 473,334,164,694.87
  5. Step 5: Solve for x
    x = 473,334,164,694.87/768,519.57
  6. Step 6: Final answer
    x = 615,903.85

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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.