Home / 854,153.49-1,281,496.77-255,138.29

Finding the Fourth Proportional to 854,153.49, 1,281,496.77 and 255,138.29

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Solution

The fourth proportional to 854,153.49, 1,281,496.77 and 255,138.29 is: 382,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,153.49 : 1,281,496.77 = 255,138.29 : x
  2. Step 2: Convert to fraction form
    854,153.49/1,281,496.77 = 255,138.29/x
  3. Step 3: Cross multiply
    854,153.49x = 1,281,496.77 × 255,138.29
  4. Step 4: Simplify right side
    854,153.49x = 326,958,888,130.84
  5. Step 5: Solve for x
    x = 326,958,888,130.84/854,153.49
  6. Step 6: Final answer
    x = 382,787.04

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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.