Home / 772,666.56-1,158,822.72-211,744.80

Finding the Fourth Proportional to 772,666.56, 1,158,822.72 and 211,744.80

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Solution

The fourth proportional to 772,666.56, 1,158,822.72 and 211,744.80 is: 317,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,666.56 : 1,158,822.72 = 211,744.80 : x
  2. Step 2: Convert to fraction form
    772,666.56/1,158,822.72 = 211,744.80/x
  3. Step 3: Cross multiply
    772,666.56x = 1,158,822.72 × 211,744.80
  4. Step 4: Simplify right side
    772,666.56x = 245,374,685,081.86
  5. Step 5: Solve for x
    x = 245,374,685,081.86/772,666.56
  6. Step 6: Final answer
    x = 317,568.66

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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.