Home / 792,531.40-1,188,941.10-259,904.20

Finding the Fourth Proportional to 792,531.40, 1,188,941.10 and 259,904.20

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Solution

The fourth proportional to 792,531.40, 1,188,941.10 and 259,904.20 is: 389,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,531.40 : 1,188,941.10 = 259,904.20 : x
  2. Step 2: Convert to fraction form
    792,531.40/1,188,941.10 = 259,904.20/x
  3. Step 3: Cross multiply
    792,531.40x = 1,188,941.10 × 259,904.20
  4. Step 4: Simplify right side
    792,531.40x = 309,010,785,442.62
  5. Step 5: Solve for x
    x = 309,010,785,442.62/792,531.40
  6. Step 6: Final answer
    x = 389,903.52

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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.