Home / 762,379.37-1,052,097.56-418,232.87

Finding the Fourth Proportional to 762,379.37, 1,052,097.56 and 418,232.87

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Solution

The fourth proportional to 762,379.37, 1,052,097.56 and 418,232.87 is: 577,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,379.37 : 1,052,097.56 = 418,232.87 : x
  2. Step 2: Convert to fraction form
    762,379.37/1,052,097.56 = 418,232.87/x
  3. Step 3: Cross multiply
    762,379.37x = 1,052,097.56 × 418,232.87
  4. Step 4: Simplify right side
    762,379.37x = 440,021,782,038.80
  5. Step 5: Solve for x
    x = 440,021,782,038.80/762,379.37
  6. Step 6: Final answer
    x = 577,169.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.