Home / 767,726.29-1,059,462.39-428,194.54

Finding the Fourth Proportional to 767,726.29, 1,059,462.39 and 428,194.54

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Solution

The fourth proportional to 767,726.29, 1,059,462.39 and 428,194.54 is: 590,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,726.29 : 1,059,462.39 = 428,194.54 : x
  2. Step 2: Convert to fraction form
    767,726.29/1,059,462.39 = 428,194.54/x
  3. Step 3: Cross multiply
    767,726.29x = 1,059,462.39 × 428,194.54
  4. Step 4: Simplify right side
    767,726.29x = 453,656,010,733.35
  5. Step 5: Solve for x
    x = 453,656,010,733.35/767,726.29
  6. Step 6: Final answer
    x = 590,908.53

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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.