Home / 854,459.55-1,282,181.40-322,362.45

Finding the Fourth Proportional to 854,459.55, 1,282,181.40 and 322,362.45

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Solution

The fourth proportional to 854,459.55, 1,282,181.40 and 322,362.45 is: 483,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,459.55 : 1,282,181.40 = 322,362.45 : x
  2. Step 2: Convert to fraction form
    854,459.55/1,282,181.40 = 322,362.45/x
  3. Step 3: Cross multiply
    854,459.55x = 1,282,181.40 × 322,362.45
  4. Step 4: Simplify right side
    854,459.55x = 413,327,137,448.43
  5. Step 5: Solve for x
    x = 413,327,137,448.43/854,459.55
  6. Step 6: Final answer
    x = 483,729.32

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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.