Home / 885,570.80-1,328,356.20-254,447.60

Finding the Fourth Proportional to 885,570.80, 1,328,356.20 and 254,447.60

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Solution

The fourth proportional to 885,570.80, 1,328,356.20 and 254,447.60 is: 381,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,570.80 : 1,328,356.20 = 254,447.60 : x
  2. Step 2: Convert to fraction form
    885,570.80/1,328,356.20 = 254,447.60/x
  3. Step 3: Cross multiply
    885,570.80x = 1,328,356.20 × 254,447.60
  4. Step 4: Simplify right side
    885,570.80x = 337,997,047,035.12
  5. Step 5: Solve for x
    x = 337,997,047,035.12/885,570.80
  6. Step 6: Final answer
    x = 381,671.40

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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.