Home / 646,298.48-969,890.67-225,574.36

Finding the Fourth Proportional to 646,298.48, 969,890.67 and 225,574.36

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Solution

The fourth proportional to 646,298.48, 969,890.67 and 225,574.36 is: 338,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,298.48 : 969,890.67 = 225,574.36 : x
  2. Step 2: Convert to fraction form
    646,298.48/969,890.67 = 225,574.36/x
  3. Step 3: Cross multiply
    646,298.48x = 969,890.67 × 225,574.36
  4. Step 4: Simplify right side
    646,298.48x = 218,782,464,730.50
  5. Step 5: Solve for x
    x = 218,782,464,730.50/646,298.48
  6. Step 6: Final answer
    x = 338,516.14

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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.