Home / 739,964.70-1,109,821.86-207,363.15

Finding the Fourth Proportional to 739,964.70, 1,109,821.86 and 207,363.15

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Solution

The fourth proportional to 739,964.70, 1,109,821.86 and 207,363.15 is: 311,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,964.70 : 1,109,821.86 = 207,363.15 : x
  2. Step 2: Convert to fraction form
    739,964.70/1,109,821.86 = 207,363.15/x
  3. Step 3: Cross multiply
    739,964.70x = 1,109,821.86 × 207,363.15
  4. Step 4: Simplify right side
    739,964.70x = 230,136,156,828.46
  5. Step 5: Solve for x
    x = 230,136,156,828.46/739,964.70
  6. Step 6: Final answer
    x = 311,009.64

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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.