Home / 755,859.22-1,043,085.63-416,327.47

Finding the Fourth Proportional to 755,859.22, 1,043,085.63 and 416,327.47

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Solution

The fourth proportional to 755,859.22, 1,043,085.63 and 416,327.47 is: 574,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,859.22 : 1,043,085.63 = 416,327.47 : x
  2. Step 2: Convert to fraction form
    755,859.22/1,043,085.63 = 416,327.47/x
  3. Step 3: Cross multiply
    755,859.22x = 1,043,085.63 × 416,327.47
  4. Step 4: Simplify right side
    755,859.22x = 434,265,201,331.26
  5. Step 5: Solve for x
    x = 434,265,201,331.26/755,859.22
  6. Step 6: Final answer
    x = 574,531.86

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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.