Home / 869,872.32-1,304,495.42-301,098.88

Finding the Fourth Proportional to 869,872.32, 1,304,495.42 and 301,098.88

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Solution

The fourth proportional to 869,872.32, 1,304,495.42 and 301,098.88 is: 451,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,872.32 : 1,304,495.42 = 301,098.88 : x
  2. Step 2: Convert to fraction form
    869,872.32/1,304,495.42 = 301,098.88/x
  3. Step 3: Cross multiply
    869,872.32x = 1,304,495.42 × 301,098.88
  4. Step 4: Simplify right side
    869,872.32x = 392,782,109,927.13
  5. Step 5: Solve for x
    x = 392,782,109,927.13/869,872.32
  6. Step 6: Final answer
    x = 451,539.96

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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.