Home / 880,207.90-1,320,155.77-400,323.30

Finding the Fourth Proportional to 880,207.90, 1,320,155.77 and 400,323.30

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Solution

The fourth proportional to 880,207.90, 1,320,155.77 and 400,323.30 is: 600,413.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,207.90 : 1,320,155.77 = 400,323.30 : x
  2. Step 2: Convert to fraction form
    880,207.90/1,320,155.77 = 400,323.30/x
  3. Step 3: Cross multiply
    880,207.90x = 1,320,155.77 × 400,323.30
  4. Step 4: Simplify right side
    880,207.90x = 528,489,114,360.44
  5. Step 5: Solve for x
    x = 528,489,114,360.44/880,207.90
  6. Step 6: Final answer
    x = 600,413.96

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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.