Home / 713,005.20-1,068,787.70-446,952.18

Finding the Fourth Proportional to 713,005.20, 1,068,787.70 and 446,952.18

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Solution

The fourth proportional to 713,005.20, 1,068,787.70 and 446,952.18 is: 669,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,005.20 : 1,068,787.70 = 446,952.18 : x
  2. Step 2: Convert to fraction form
    713,005.20/1,068,787.70 = 446,952.18/x
  3. Step 3: Cross multiply
    713,005.20x = 1,068,787.70 × 446,952.18
  4. Step 4: Simplify right side
    713,005.20x = 477,696,992,472.19
  5. Step 5: Solve for x
    x = 477,696,992,472.19/713,005.20
  6. Step 6: Final answer
    x = 669,976.87

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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.