Home / 713,007.20-1,068,790.70-446,954.18

Finding the Fourth Proportional to 713,007.20, 1,068,790.70 and 446,954.18

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Solution

The fourth proportional to 713,007.20, 1,068,790.70 and 446,954.18 is: 669,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,007.20 : 1,068,790.70 = 446,954.18 : x
  2. Step 2: Convert to fraction form
    713,007.20/1,068,790.70 = 446,954.18/x
  3. Step 3: Cross multiply
    713,007.20x = 1,068,790.70 × 446,954.18
  4. Step 4: Simplify right side
    713,007.20x = 477,700,470,910.13
  5. Step 5: Solve for x
    x = 477,700,470,910.13/713,007.20
  6. Step 6: Final answer
    x = 669,979.87

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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.