Home / 872,533.26-1,309,499.82-451,929.42

Finding the Fourth Proportional to 872,533.26, 1,309,499.82 and 451,929.42

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Solution

The fourth proportional to 872,533.26, 1,309,499.82 and 451,929.42 is: 678,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,533.26 : 1,309,499.82 = 451,929.42 : x
  2. Step 2: Convert to fraction form
    872,533.26/1,309,499.82 = 451,929.42/x
  3. Step 3: Cross multiply
    872,533.26x = 1,309,499.82 × 451,929.42
  4. Step 4: Simplify right side
    872,533.26x = 591,801,494,142.71
  5. Step 5: Solve for x
    x = 591,801,494,142.71/872,533.26
  6. Step 6: Final answer
    x = 678,256.66

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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.