Home / 678,683.04-1,018,011.34-273,864.51

Finding the Fourth Proportional to 678,683.04, 1,018,011.34 and 273,864.51

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Solution

The fourth proportional to 678,683.04, 1,018,011.34 and 273,864.51 is: 410,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,683.04 : 1,018,011.34 = 273,864.51 : x
  2. Step 2: Convert to fraction form
    678,683.04/1,018,011.34 = 273,864.51/x
  3. Step 3: Cross multiply
    678,683.04x = 1,018,011.34 × 273,864.51
  4. Step 4: Simplify right side
    678,683.04x = 278,797,178,426.70
  5. Step 5: Solve for x
    x = 278,797,178,426.70/678,683.04
  6. Step 6: Final answer
    x = 410,791.43

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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.