Home / 646,298.93-969,891.20-225,574.81

Finding the Fourth Proportional to 646,298.93, 969,891.20 and 225,574.81

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Solution

The fourth proportional to 646,298.93, 969,891.20 and 225,574.81 is: 338,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,298.93 : 969,891.20 = 225,574.81 : x
  2. Step 2: Convert to fraction form
    646,298.93/969,891.20 = 225,574.81/x
  3. Step 3: Cross multiply
    646,298.93x = 969,891.20 × 225,574.81
  4. Step 4: Simplify right side
    646,298.93x = 218,783,023,160.67
  5. Step 5: Solve for x
    x = 218,783,023,160.67/646,298.93
  6. Step 6: Final answer
    x = 338,516.77

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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.