Home / 762,354.86-1,052,082.89-456,372.24

Finding the Fourth Proportional to 762,354.86, 1,052,082.89 and 456,372.24

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Solution

The fourth proportional to 762,354.86, 1,052,082.89 and 456,372.24 is: 629,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,354.86 : 1,052,082.89 = 456,372.24 : x
  2. Step 2: Convert to fraction form
    762,354.86/1,052,082.89 = 456,372.24/x
  3. Step 3: Cross multiply
    762,354.86x = 1,052,082.89 × 456,372.24
  4. Step 4: Simplify right side
    762,354.86x = 480,141,420,659.20
  5. Step 5: Solve for x
    x = 480,141,420,659.20/762,354.86
  6. Step 6: Final answer
    x = 629,813.55

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1.5x scale

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.