Home / 678,001.92-1,016,607.36-204,545.28

Finding the Fourth Proportional to 678,001.92, 1,016,607.36 and 204,545.28

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Solution

The fourth proportional to 678,001.92, 1,016,607.36 and 204,545.28 is: 306,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,001.92 : 1,016,607.36 = 204,545.28 : x
  2. Step 2: Convert to fraction form
    678,001.92/1,016,607.36 = 204,545.28/x
  3. Step 3: Cross multiply
    678,001.92x = 1,016,607.36 × 204,545.28
  4. Step 4: Simplify right side
    678,001.92x = 207,942,237,101.26
  5. Step 5: Solve for x
    x = 207,942,237,101.26/678,001.92
  6. Step 6: Final answer
    x = 306,698.60

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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.