Home / 854,491.52-1,282,507.68-455,464.64

Finding the Fourth Proportional to 854,491.52, 1,282,507.68 and 455,464.64

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Solution

The fourth proportional to 854,491.52, 1,282,507.68 and 455,464.64 is: 683,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,491.52 : 1,282,507.68 = 455,464.64 : x
  2. Step 2: Convert to fraction form
    854,491.52/1,282,507.68 = 455,464.64/x
  3. Step 3: Cross multiply
    854,491.52x = 1,282,507.68 × 455,464.64
  4. Step 4: Simplify right side
    854,491.52x = 584,136,898,768.44
  5. Step 5: Solve for x
    x = 584,136,898,768.44/854,491.52
  6. Step 6: Final answer
    x = 683,607.60

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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.