Home / 816,428.03-1,224,644.87-247,813.93

Finding the Fourth Proportional to 816,428.03, 1,224,644.87 and 247,813.93

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Solution

The fourth proportional to 816,428.03, 1,224,644.87 and 247,813.93 is: 371,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,428.03 : 1,224,644.87 = 247,813.93 : x
  2. Step 2: Convert to fraction form
    816,428.03/1,224,644.87 = 247,813.93/x
  3. Step 3: Cross multiply
    816,428.03x = 1,224,644.87 × 247,813.93
  4. Step 4: Simplify right side
    816,428.03x = 303,484,060,239.38
  5. Step 5: Solve for x
    x = 303,484,060,239.38/816,428.03
  6. Step 6: Final answer
    x = 371,721.76

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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.