Home / 669,867.90-1,003,246.65-654,315.90

Finding the Fourth Proportional to 669,867.90, 1,003,246.65 and 654,315.90

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Solution

The fourth proportional to 669,867.90, 1,003,246.65 and 654,315.90 is: 979,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,867.90 : 1,003,246.65 = 654,315.90 : x
  2. Step 2: Convert to fraction form
    669,867.90/1,003,246.65 = 654,315.90/x
  3. Step 3: Cross multiply
    669,867.90x = 1,003,246.65 × 654,315.90
  4. Step 4: Simplify right side
    669,867.90x = 656,440,234,716.74
  5. Step 5: Solve for x
    x = 656,440,234,716.74/669,867.90
  6. Step 6: Final answer
    x = 979,954.76

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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.