Home / 688,268.73-1,032,403.10-267,643.02

Finding the Fourth Proportional to 688,268.73, 1,032,403.10 and 267,643.02

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Solution

The fourth proportional to 688,268.73, 1,032,403.10 and 267,643.02 is: 401,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,268.73 : 1,032,403.10 = 267,643.02 : x
  2. Step 2: Convert to fraction form
    688,268.73/1,032,403.10 = 267,643.02/x
  3. Step 3: Cross multiply
    688,268.73x = 1,032,403.10 × 267,643.02
  4. Step 4: Simplify right side
    688,268.73x = 276,315,482,203.15
  5. Step 5: Solve for x
    x = 276,315,482,203.15/688,268.73
  6. Step 6: Final answer
    x = 401,464.53

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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.