Home / 688,119.57-1,032,179.31-214,845.48

Finding the Fourth Proportional to 688,119.57, 1,032,179.31 and 214,845.48

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Solution

The fourth proportional to 688,119.57, 1,032,179.31 and 214,845.48 is: 322,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,119.57 : 1,032,179.31 = 214,845.48 : x
  2. Step 2: Convert to fraction form
    688,119.57/1,032,179.31 = 214,845.48/x
  3. Step 3: Cross multiply
    688,119.57x = 1,032,179.31 × 214,845.48
  4. Step 4: Simplify right side
    688,119.57x = 221,759,059,303.02
  5. Step 5: Solve for x
    x = 221,759,059,303.02/688,119.57
  6. Step 6: Final answer
    x = 322,268.21

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Similar ratio
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1.5x scale

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.