Home / 762,169.42-1,051,835.79-422,630.38

Finding the Fourth Proportional to 762,169.42, 1,051,835.79 and 422,630.38

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Solution

The fourth proportional to 762,169.42, 1,051,835.79 and 422,630.38 is: 583,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,169.42 : 1,051,835.79 = 422,630.38 : x
  2. Step 2: Convert to fraction form
    762,169.42/1,051,835.79 = 422,630.38/x
  3. Step 3: Cross multiply
    762,169.42x = 1,051,835.79 × 422,630.38
  4. Step 4: Simplify right side
    762,169.42x = 444,537,759,625.30
  5. Step 5: Solve for x
    x = 444,537,759,625.30/762,169.42
  6. Step 6: Final answer
    x = 583,253.21

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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.