Home / 646,288.40-969,875.44-225,564.28

Finding the Fourth Proportional to 646,288.40, 969,875.44 and 225,564.28

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Solution

The fourth proportional to 646,288.40, 969,875.44 and 225,564.28 is: 338,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,288.40 : 969,875.44 = 225,564.28 : x
  2. Step 2: Convert to fraction form
    646,288.40/969,875.44 = 225,564.28/x
  3. Step 3: Cross multiply
    646,288.40x = 969,875.44 × 225,564.28
  4. Step 4: Simplify right side
    646,288.40x = 218,769,255,313.28
  5. Step 5: Solve for x
    x = 218,769,255,313.28/646,288.40
  6. Step 6: Final answer
    x = 338,500.98

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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.