Home / 854,457.88-1,281,880.68-454,888.12

Finding the Fourth Proportional to 854,457.88, 1,281,880.68 and 454,888.12

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Solution

The fourth proportional to 854,457.88, 1,281,880.68 and 454,888.12 is: 682,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,457.88 : 1,281,880.68 = 454,888.12 : x
  2. Step 2: Convert to fraction form
    854,457.88/1,281,880.68 = 454,888.12/x
  3. Step 3: Cross multiply
    854,457.88x = 1,281,880.68 × 454,888.12
  4. Step 4: Simplify right side
    854,457.88x = 583,112,292,589.52
  5. Step 5: Solve for x
    x = 583,112,292,589.52/854,457.88
  6. Step 6: Final answer
    x = 682,435.39

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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.