Home / 761,625.21-1,051,042.77-422,115.33

Finding the Fourth Proportional to 761,625.21, 1,051,042.77 and 422,115.33

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Solution

The fourth proportional to 761,625.21, 1,051,042.77 and 422,115.33 is: 582,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,625.21 : 1,051,042.77 = 422,115.33 : x
  2. Step 2: Convert to fraction form
    761,625.21/1,051,042.77 = 422,115.33/x
  3. Step 3: Cross multiply
    761,625.21x = 1,051,042.77 × 422,115.33
  4. Step 4: Simplify right side
    761,625.21x = 443,661,265,702.66
  5. Step 5: Solve for x
    x = 443,661,265,702.66/761,625.21
  6. Step 6: Final answer
    x = 582,519.14

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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.