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Finding the Fourth Proportional to 459,250.36, 688,889.31 and 379,907.82

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Solution

The fourth proportional to 459,250.36, 688,889.31 and 379,907.82 is: 569,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,250.36 : 688,889.31 = 379,907.82 : x
  2. Step 2: Convert to fraction form
    459,250.36/688,889.31 = 379,907.82/x
  3. Step 3: Cross multiply
    459,250.36x = 688,889.31 × 379,907.82
  4. Step 4: Simplify right side
    459,250.36x = 261,714,434,558.75
  5. Step 5: Solve for x
    x = 261,714,434,558.75/459,250.36
  6. Step 6: Final answer
    x = 569,873.12

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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.