Home / 772,287.24-1,158,623.76-545,026.43

Finding the Fourth Proportional to 772,287.24, 1,158,623.76 and 545,026.43

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Solution

The fourth proportional to 772,287.24, 1,158,623.76 and 545,026.43 is: 817,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,287.24 : 1,158,623.76 = 545,026.43 : x
  2. Step 2: Convert to fraction form
    772,287.24/1,158,623.76 = 545,026.43/x
  3. Step 3: Cross multiply
    772,287.24x = 1,158,623.76 × 545,026.43
  4. Step 4: Simplify right side
    772,287.24x = 631,480,568,900.85
  5. Step 5: Solve for x
    x = 631,480,568,900.85/772,287.24
  6. Step 6: Final answer
    x = 817,675.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.