Home / 417,628.56-576,328.20-247,896.72

Finding the Fourth Proportional to 417,628.56, 576,328.20 and 247,896.72

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Solution

The fourth proportional to 417,628.56, 576,328.20 and 247,896.72 is: 342,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,628.56 : 576,328.20 = 247,896.72 : x
  2. Step 2: Convert to fraction form
    417,628.56/576,328.20 = 247,896.72/x
  3. Step 3: Cross multiply
    417,628.56x = 576,328.20 × 247,896.72
  4. Step 4: Simplify right side
    417,628.56x = 142,869,870,423.50
  5. Step 5: Solve for x
    x = 142,869,870,423.50/417,628.56
  6. Step 6: Final answer
    x = 342,097.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.