Home / 854,154.25-1,281,497.90-255,139.04

Finding the Fourth Proportional to 854,154.25, 1,281,497.90 and 255,139.04

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Solution

The fourth proportional to 854,154.25, 1,281,497.90 and 255,139.04 is: 382,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,154.25 : 1,281,497.90 = 255,139.04 : x
  2. Step 2: Convert to fraction form
    854,154.25/1,281,497.90 = 255,139.04/x
  3. Step 3: Cross multiply
    854,154.25x = 1,281,497.90 × 255,139.04
  4. Step 4: Simplify right side
    854,154.25x = 326,960,145,896.07
  5. Step 5: Solve for x
    x = 326,960,145,896.07/854,154.25
  6. Step 6: Final answer
    x = 382,788.18

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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.