Home / 762,161.57-1,051,782.98-422,629.82

Finding the Fourth Proportional to 762,161.57, 1,051,782.98 and 422,629.82

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Solution

The fourth proportional to 762,161.57, 1,051,782.98 and 422,629.82 is: 583,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,161.57 : 1,051,782.98 = 422,629.82 : x
  2. Step 2: Convert to fraction form
    762,161.57/1,051,782.98 = 422,629.82/x
  3. Step 3: Cross multiply
    762,161.57x = 1,051,782.98 × 422,629.82
  4. Step 4: Simplify right side
    762,161.57x = 444,514,848,088.59
  5. Step 5: Solve for x
    x = 444,514,848,088.59/762,161.57
  6. Step 6: Final answer
    x = 583,229.16

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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.