Home / 707,912.70-1,061,869.05-209,276.70

Finding the Fourth Proportional to 707,912.70, 1,061,869.05 and 209,276.70

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Solution

The fourth proportional to 707,912.70, 1,061,869.05 and 209,276.70 is: 313,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,912.70 : 1,061,869.05 = 209,276.70 : x
  2. Step 2: Convert to fraction form
    707,912.70/1,061,869.05 = 209,276.70/x
  3. Step 3: Cross multiply
    707,912.70x = 1,061,869.05 × 209,276.70
  4. Step 4: Simplify right side
    707,912.70x = 222,224,450,616.14
  5. Step 5: Solve for x
    x = 222,224,450,616.14/707,912.70
  6. Step 6: Final answer
    x = 313,915.05

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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.