Home / 807,242.57-1,210,270.92-386,813.69

Finding the Fourth Proportional to 807,242.57, 1,210,270.92 and 386,813.69

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Solution

The fourth proportional to 807,242.57, 1,210,270.92 and 386,813.69 is: 579,936.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,242.57 : 1,210,270.92 = 386,813.69 : x
  2. Step 2: Convert to fraction form
    807,242.57/1,210,270.92 = 386,813.69/x
  3. Step 3: Cross multiply
    807,242.57x = 1,210,270.92 × 386,813.69
  4. Step 4: Simplify right side
    807,242.57x = 468,149,354,413.54
  5. Step 5: Solve for x
    x = 468,149,354,413.54/807,242.57
  6. Step 6: Final answer
    x = 579,936.41

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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.