Home / 762,261.72-1,051,894.72-422,761.56

Finding the Fourth Proportional to 762,261.72, 1,051,894.72 and 422,761.56

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Solution

The fourth proportional to 762,261.72, 1,051,894.72 and 422,761.56 is: 583,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,261.72 : 1,051,894.72 = 422,761.56 : x
  2. Step 2: Convert to fraction form
    762,261.72/1,051,894.72 = 422,761.56/x
  3. Step 3: Cross multiply
    762,261.72x = 1,051,894.72 × 422,761.56
  4. Step 4: Simplify right side
    762,261.72x = 444,700,652,782.96
  5. Step 5: Solve for x
    x = 444,700,652,782.96/762,261.72
  6. Step 6: Final answer
    x = 583,396.28

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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.