Home / 762,378.37-1,052,096.18-418,231.87

Finding the Fourth Proportional to 762,378.37, 1,052,096.18 and 418,231.87

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Solution

The fourth proportional to 762,378.37, 1,052,096.18 and 418,231.87 is: 577,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,378.37 : 1,052,096.18 = 418,231.87 : x
  2. Step 2: Convert to fraction form
    762,378.37/1,052,096.18 = 418,231.87/x
  3. Step 3: Cross multiply
    762,378.37x = 1,052,096.18 × 418,231.87
  4. Step 4: Simplify right side
    762,378.37x = 440,020,152,781.26
  5. Step 5: Solve for x
    x = 440,020,152,781.26/762,378.37
  6. Step 6: Final answer
    x = 577,167.68

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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.