Home / 767,804.22-1,059,592.41-428,265.18

Finding the Fourth Proportional to 767,804.22, 1,059,592.41 and 428,265.18

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Solution

The fourth proportional to 767,804.22, 1,059,592.41 and 428,265.18 is: 591,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,804.22 : 1,059,592.41 = 428,265.18 : x
  2. Step 2: Convert to fraction form
    767,804.22/1,059,592.41 = 428,265.18/x
  3. Step 3: Cross multiply
    767,804.22x = 1,059,592.41 × 428,265.18
  4. Step 4: Simplify right side
    767,804.22x = 453,786,534,195.28
  5. Step 5: Solve for x
    x = 453,786,534,195.28/767,804.22
  6. Step 6: Final answer
    x = 591,018.55

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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.