Home / 646,296.93-969,888.20-225,572.81

Finding the Fourth Proportional to 646,296.93, 969,888.20 and 225,572.81

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Solution

The fourth proportional to 646,296.93, 969,888.20 and 225,572.81 is: 338,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,296.93 : 969,888.20 = 225,572.81 : x
  2. Step 2: Convert to fraction form
    646,296.93/969,888.20 = 225,572.81/x
  3. Step 3: Cross multiply
    646,296.93x = 969,888.20 × 225,572.81
  4. Step 4: Simplify right side
    646,296.93x = 218,780,400,682.54
  5. Step 5: Solve for x
    x = 218,780,400,682.54/646,296.93
  6. Step 6: Final answer
    x = 338,513.76

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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.