Home / 772,331.09-1,158,574.46-203,751.47

Finding the Fourth Proportional to 772,331.09, 1,158,574.46 and 203,751.47

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Solution

The fourth proportional to 772,331.09, 1,158,574.46 and 203,751.47 is: 305,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,331.09 : 1,158,574.46 = 203,751.47 : x
  2. Step 2: Convert to fraction form
    772,331.09/1,158,574.46 = 203,751.47/x
  3. Step 3: Cross multiply
    772,331.09x = 1,158,574.46 × 203,751.47
  4. Step 4: Simplify right side
    772,331.09x = 236,061,251,207.14
  5. Step 5: Solve for x
    x = 236,061,251,207.14/772,331.09
  6. Step 6: Final answer
    x = 305,647.74

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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.