Home / 762,748.27-1,052,515.96-456,816.81

Finding the Fourth Proportional to 762,748.27, 1,052,515.96 and 456,816.81

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Solution

The fourth proportional to 762,748.27, 1,052,515.96 and 456,816.81 is: 630,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,748.27 : 1,052,515.96 = 456,816.81 : x
  2. Step 2: Convert to fraction form
    762,748.27/1,052,515.96 = 456,816.81/x
  3. Step 3: Cross multiply
    762,748.27x = 1,052,515.96 × 456,816.81
  4. Step 4: Simplify right side
    762,748.27x = 480,806,983,321.29
  5. Step 5: Solve for x
    x = 480,806,983,321.29/762,748.27
  6. Step 6: Final answer
    x = 630,361.29

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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.