Home / 881,467.90-1,323,427.55-455,318.64

Finding the Fourth Proportional to 881,467.90, 1,323,427.55 and 455,318.64

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Solution

The fourth proportional to 881,467.90, 1,323,427.55 and 455,318.64 is: 683,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,467.90 : 1,323,427.55 = 455,318.64 : x
  2. Step 2: Convert to fraction form
    881,467.90/1,323,427.55 = 455,318.64/x
  3. Step 3: Cross multiply
    881,467.90x = 1,323,427.55 × 455,318.64
  4. Step 4: Simplify right side
    881,467.90x = 602,581,229,927.94
  5. Step 5: Solve for x
    x = 602,581,229,927.94/881,467.90
  6. Step 6: Final answer
    x = 683,611.09

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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.